3.2 General Ultrasound System RequirementsContents in this section• Ultrasound system environmental requirements on page 31• Electrical requirements on page 32• EMI limitations on page 42• EMI prevention/abatement on page 42• Probes environmental requirements on page 43• Time and manpower requirements on page 443.2.1 Ultrasound system environmental requirementsWhen unpacking the Ultrasound system, allow the temperature of the Ultrasound systemto stabilize before powering up. The following table describes guidelines for reachingoperational temperatures from storage or transport temperatures.CAUTIONIf the Ultrasound system is very cold or hot, do not turn on its power until it has had a chanceto acclimate to its operating environment.Figure 3-1 • Ultrasound System Acclimate Time3.2.2 Environmental specifications for the Ultrasound systemRefer to the User Manual/Basic User Manual for the product.3.2.2.1 CoolingThe cooling requirement for a console Ultrasound system with monitor and on boardperipherals, is up to 3800 BTU/h. This figure does not include cooling needed for lights,people, or other equipment in the room.NOTEEach person in the room places an additional 300 BTU/h demand on the cooling system.3.2.2.2 LightingBright light is needed for Ultrasound system installation, updates and repairs. However,operator and patient comfort may be optimized if the room light is subdued and indirect.Therefore a combination lighting system (dim/bright) is recommended. Keep in mind thatChapter 3Common Service Information - Service Manual 315444964-100 Rev. 7
lighting controls and dimmers can be a source of EMI which could degrade image quality.These controls should be selected to minimize possible interference.3.2.3 Electrical requirements3.2.3.1 General requirementsNOTEGE HealthCare requires a dedicated power and ground for the proper operation of itsUltrasound equipment. This dedicated power shall originate at the last distribution panelbefore the Ultrasound system.The Ultrasound system will function on voltages from 100-240 Volts and 50 or 60 Hz.However, if using 220 volt power in North America, then a center tapped power source isrequired.Sites with a mains power system with defined Neutral and Live:The dedicated line shall consist of one phase, a neutral (not shared with any other circuit),and a full size ground wire from the distribution panel to the Ultrasound outlet.Sites with a mains power system without a defined Neutral:The dedicated line shall consist of one phase (two lines), not shared with any other circuit,and a full size ground wire from the distribution panel to the Ultrasound outlet.NOTEPlease note that image artifacts can occur, if at any time within the facility, the ground fromthe main facility's incoming power source to the Ultrasound system is only a conduit.3.2.3.2 Electrical requirements for Ultrasound systemsThe electrical requirements vary depending on the mains voltage and the equipment in use.Contents:• Electrical requirements for console Ultrasound systems on page 32• Electrical requirements for laptop Ultrasound systems on page 37• Electrical requirements for docking carts on page 39• Electrical requirements for isolation carts on page 39• Electrical requirements for handheld Ultrasound systems on page 40• Electrical requirements for Ultrasound workstations on page 413.2.3.3 Electrical requirements for console Ultrasound systemsContents:• Table 3-1 • Electrical Requirements - Invenia ABUS on page 33• Table 3-2 • Electrical Requirements - LOGIQ Consoles on page 34• Table 3-3 • Electrical Specifications for LOGIQ C Series and LOGIQ C3/C5 Premium onpage 35• Table 3-4 • Electrical Requirements - Venue Series on page 35• Table 3-5 • Electrical Requirements - Versana on page 35Site Preparations32 Common Service Information - Service Manual5444964-100 Rev. 7
• Table 3-6 • Electrical Requirements - Vivid Consoles on page 36• Table 3-7 • Electrical Requirements - Voluson Consoles on page 37Table 3-1 • Electrical Requirements - Invenia ABUSProduct Voltage Tolerance Current orPowerConsumptionFrequencyInvenia ABUSScan Station100 - 240 VAC ±10% 10 A 50/60 HzChapter 3Common Service Information - Service Manual 335444964-100 Rev. 7
Table 3-2 • Electrical Requirements - LOGIQ ConsolesProduct Voltage Tolerance Current/PowerConsumptionFrequencyLOGIQ E10 100-240 VAC ±10% 0.9kVA 50/60Hz (±2Hz)LOGIQ E11LOGIQ E20220-240 VAC 0.9kVALOGIQ E10s 100-240 VAC 0.9kVALOGIQ Fortis 100-240 VAC 0.9kVALOGIQ Totus 100-240 VAC 0.65kVALOGIQ E9 100-240 VAC 1100 W (validthrough R5)1.0kVA (effectivefrom R6)LOGIQ P5LOGIQ A5100-120 VAC200-240 VAC750 VALOGIQ E8LOGIQ S7/S8100-120 VAC200-240 VAC900 VALOGIQ P3 100-120 VAC200-240 VAC425 VALOGIQ P6 100-120 VAC200-240 VAC950 VALOGIQP7/P8/P9/P10100-120 VAC200-240 VAC500 VALOGIQ 9 100-120 VAC 9.5 A200-240 VAC 4.75 ALOGIQ 7 100 VAC115 VAC220 VACMAX. 1200 VALOGIQ 5 100 VAC115 VAC230 VACMAX. 1250 VALOGIQ 3 100 VAC115 VAC230 VACMAX. 860VALOGIQ F Series 100-240 VAC MAX. 400 VALOGIQ C9Series220-240 VAC MAX. 950 VALOGIQ V3/V5/V5Expert100-240 VAC MAX. 300 VAThe following power line parameters should be monitored for one week before installation.We recommend that you use an analyzer Dranetz Model 606-3 or Dranetz Model 626:Site Preparations34 Common Service Information - Service Manual5444964-100 Rev. 7
Table 3-3 • Electrical Specifications for LOGIQ C Series and LOGIQ C3/C5 PremiumParameter Area LimitsVoltage Range 100-120V~ 500VA220-240V~ 500VAPower All applications MAX. 750 VALine Frequency All applications 50/60Hz (±2Hz)Power Transients All applications Less than 25% of nominalpeak voltage for lessthan 1 millisecond for anytype of transient, includingline frequency, synchronous,asynchronous, or aperiodictransients.Decaying Oscillation All applications Less than 15% of peakvoltage for less than 1millisecond.Table 3-4 • Electrical Requirements - Venue SeriesProduct Voltage Tolerance Current orPowerConsumptionFrequencyVenue 100-240 VAC ±10% 500 VA 50/60 HzVenue 40/50 100-240 VAC 180 VA (max.)Venue Fit 90-240 VAC 2.5ARMS@115VAC47/63 HzVenue Go 100-240 VAC 4A @ 115VAC2A @ 230VAC50/60 HzTable 3-5 • Electrical Requirements - VersanaProduct Voltage Tolerance Current orPowerConsumptionFrequencyVersana Balance 100-240 VAC ±10% 350VA (max.) 50/60HzVersanaEssential300VAVersana Premier 450VAChapter 3Common Service Information - Service Manual 355444964-100 Rev. 7
Table 3-6 • Electrical Requirements - Vivid ConsolesProduct Voltage Tolerance Current orPowerConsumptionFrequencyVivid E7/E9 100-230 VAC ±10% 1100 W 50/60 HzVivid 7 230 VAC 5 A100-120 VAC 10 AVivid S5/S5NVivid S6/S6N100-240 VAC 0.5 to 1AVivid 4 100 VAC 8 A120 VAC 8 A220-240 VAC 4 AVivid 3 100 VAC 8 A120 VAC 8 A230 VAC 4 AVivid P3 100-120 VAC220-240 VAC425 VAVivid E95Vivid E90Vivid E80100-240 VAC 700 WVivid S60/S70/S60N/S70N100-240 VAC 500 VAVivid T8/Vivid T8Pro100-240 VAC 400 VAVivid T8 (R3) 100-240 VAC 300 VAVivid T9 100-240 VAC 300 VAVivid iq 100-240 VAC 150 VA (max.)Site Preparations36 Common Service Information - Service Manual5444964-100 Rev. 7
Table 3-7 • Electrical Requirements - Voluson ConsolesProduct Voltage Tolerance Current orPowerConsumptionFrequencyVoluson 730 100 VAC ±10% 10.1 A 50, 60 Hz (±2Hz)110 VAC 9.2 A115 VAC 8.8 A130 VAC 7.8 A230 VAC 4.4 A240 VAC 4.2 AVoluson E6Voluson E8model-type<=BT13100 - 130 VAC 10.3 - 7.7 A220 - 240 VAC 4.5 - 4.2 AVoluson E6Voluson E8model-type>BT13Voluson E10>BT15100-240 VAC 800 VAVoluson P6Voluson P8100-240 VAC 900 VAVoluson S6Voluson S8100-130 VAC200-240 VAC900 VAVoluson S10 100-120 VAC220-240 VAC900 VAVoluson SWIFT 100-240 VAC 400 VAVoluson Expert18Voluson Expert20Voluson Expert22100-240 VAC 600 VA3.2.3.4 Electrical requirements for laptop Ultrasound systemsContents:• Table 3-8 • Electrical Requirements - LOGIQ Laptops on page 38• Table 3-9 • Electrical Requirements - Versana Laptops on page 38• Table 3-10 • Electrical Requirements - Vivid Laptops on page 38• Table 3-11 • Electrical Requirements - Voluson Laptops on page 39Chapter 3Common Service Information - Service Manual 375444964-100 Rev. 7
Table 3-8 • Electrical Requirements - LOGIQ LaptopsProduct Voltage Tolerance Current orPowerConsumptionFrequencyLBAC-66 adapterfor LOGIQ Book100-240 VAC ±10% 120 VA 1.2-0.5 A 50-60 HzGE-90W adapterfor LOGIQ Book108 VA 1.08-0.45AADM-9020M-GEfor LOGIQ BookXP SeriesAdapter forLOGIQ e andLOGIQ e VetR7.x.x andbelow.130 VA max. 1.3A (max.)50/60 HzAdapter forLOGIQ iAdapter forLOGIQ e R8.x.x,R9.x.x160 VA max. 1.6A (max.)AC Adapter forLOGIQ V2/V12 A 50-60 HzTable 3-9 • Electrical Requirements - Versana LaptopsProduct Voltage Tolerance Current orPowerConsumptionFrequencyVersana Active 100-240 VAC ±10% 200VA (max.) 50/60HzTable 3-10 • Electrical Requirements - Vivid LaptopsProduct Voltage Tolerance Current orPowerConsumptionFrequencyAC/DC Converterfor Vivid i/Vivid iNand Vivid q/VividqN100 - 240 VAC ±10% 0.5 to 1.0 A 50-60 HzAdapter for Vivide100 - 240 VAC 130 VA max. 1.3A (max.)50/60 HzSite Preparations38 Common Service Information - Service Manual5444964-100 Rev. 7
Table 3-11 • Electrical Requirements - Voluson LaptopsProduct Voltage Tolerance Current orPowerConsumptionFrequencyVoluson i/e 100 - 240 VAC ±10% 120 VA 50, 60 Hz (±2%)Voluson Station/Voluson DockCart100-130 VAC220-240 VAC320 VA3.2.3.5 Electrical requirements for docking cartsTable 3-12 • Docking Cart for LOGIQ e/LOGIQ e Vet/LOGIQ i/Vivid e/Vivid iq PowerRequirementsParameter Area Limits FrequencyVoltage Range(Docking Cart usedfor LOGIQ e/LOGIQ eVet R7.x.x and below,LOGIQ i and Vivid e)100-120V~220-240V~500VA500VA50/60 HzVoltage Range(Docking Cart usedfor LOGIQ e R8.x.x orhigher)100-240V~ 350 VAVivid iq Docking Cart 100-240V~ 190VA ~ 350 VAPower All applications More than or equal to750 VALine Frequency All applications 50/60Hz (±2Hz)Power Transients All applications Less than 25%of nominal peakvoltage for lessthan 1 millisecondfor any type oftransient, includingline frequency,synchronous,asynchronous, oraperiodic transients.Decaying Oscillation All applications Less than 15% ofpeak voltage for lessthan 1 millisecond.3.2.3.6 Electrical requirements for isolation cartsContents:Chapter 3Common Service Information - Service Manual 395444964-100 Rev. 7
• Table 3-13 • Isolation Cart for LOGIQBook XP Series/LOGIQ e/LOGIQ e Vet/LOGIQ i/Vivid e on page 40• Table 3-14 • E-Isolation Cart for LOGIQ e on page 40• Table 3-15 • Advanced Isolation Cart on page 40Table 3-13 • Isolation Cart for LOGIQBook XP Series/LOGIQ e/LOGIQ e Vet/LOGIQ i/Vivid eInput Output100-120V~, 50/60Hz, 500VA 100-120V~, 50/60Hz, 250VA220-240V~, 50/60Hz, 500VA 220--240V~, 50/60Hz, 250VATable 3-14 • E-Isolation Cart for LOGIQ eInput Output100-120V~, 60Hz, 400VA 100-120V~, 60Hz, 350VA220-240V~, 50Hz, 400VA 220--240V~, 50Hz, 350VATable 3-15 • Advanced Isolation CartInput Output100-120V~, 60Hz, 400VA 100-120V~, 60Hz, 350VA220-240V~, 50Hz, 400VA 220--240V~, 50Hz, 350VA3.2.3.7 Electrical requirements for handheld Ultrasound systemsTable 3-16 • Electrical Requirements - Venue SeriesProduct Voltage Tolerance Current orPowerConsumptionFrequencyDocking Stationfor the VenueSeries100-240 VAC ±10% 180 VA max. 50/60 HzDocking Cart forthe Venue Series380 VA max.Site Preparations40 Common Service Information - Service Manual5444964-100 Rev. 7
3.2.3.8 Electrical requirements for Ultrasound workstationsTable 3-17 • Electrical Requirements - EchoPAC PC Turnkey WorkstationsProduct Voltage Tolerance Current orPowerConsumptionFrequencyAll models 100 VAC ±10% 8 A 50-60 Hz110 VAC 8 A230 VAC 4 ATable 3-18 • Electrical Requirements - LOGIQworks WorkstationsProduct Voltage Tolerance Current orPowerConsumptionFrequencyAll models 110 - 230 VAC ±10% 310 to 543 W(depending onworkstationmodel)50-60 Hz3.2.4 Site circuit breakerCAUTIONPower outage may occur. The Ultrasound system requires a dedicated single branch circuit.To avoid circuit overload and possible loss of critical care equipment, make sure you do nothave any other equipment operating on the same circuit.It is recommended that the branch circuit breaker for the Ultrasound system be readilyaccessible.3.2.5 Site power outletsA dedicated AC power outlet must be within reach of the Ultrasound system withoutextension cords. Other outlets adequate for the external peripherals, medical and testequipment needed to support this Ultrasound system must also be present within 1 m (3.2 ft.)of the Ultrasound system. Electrical installation must meet all current local, state, and nationalelectrical codes.3.2.6 Mains power cableIf the Ultrasound system arrives without a mains power cable, or with the wrong mains powercable, you must contact your GE HealthCare dealer or the installation engineer must supplywhat is locally required.Chapter 3Common Service Information - Service Manual 415444964-100 Rev. 7
3.2.7 EMI limitationsUltrasound systems are susceptible to Electromagnetic Interference (EMI) from radiofrequencies, magnetic fields, and transients in the air or wiring. They also generate EMI.The Ultrasound system complies with limits as stated on the EMC label. However, there is noguarantee that interference will not occur in an installation.Possible EMI sources should be identified before the Ultrasound system is installed.Electrical and electronic equipment may produce EMI unintentionally as the result of a defect.Some of these sources include:• medical lasers• scanners• cauterizing guns• computers• monitors• fans• gel warmers• microwave ovens• plasma ovens• light dimmers• mobile phones• in-house wireless phones (DECT phones)• wireless computer keyboard and mouse• air conditioning system• High Frequency (HF) surgery equipment• general AC/DC adapters• RFID access• ID card readers• Ultrasonic cleanersThe presence of a broadcast station or broadcast van may also cause interference.See EMI prevention/abatement on page 42 for EMI prevention tips.3.2.8 EMI prevention/abatementPrevention/abatement details are provided below:Site Preparations42 Common Service Information - Service Manual5444964-100 Rev. 7
Table 3-19 • EMI Prevention/AbatementEMI Rule DetailsBe aware of Radio Frequencysources• Keep the ultrasound system at least 5 meters (15 feet)away from other EMI sources.• Special shielding may be required to eliminateinterference problems caused by high frequency, highpowered radio or video broadcast signals.Ground the UltrasoundsystemPoor grounding is the most likely reason an ultrasoundsystem will have noisy images. Check grounding of thepower cord and power outlet.Replace all screws, RadioFrequency gaskets, covers,cores• After you finish repairing or updating the ultrasoundsystem, replace all covers and tighten all screws.• Any cable with an external connection requires a magnetwrap at each end.• Install all covers. Loose or missing covers or RadioFrequency gaskets allow radio frequencies to interferewith the ultrasound signals.Replace broken RadioFrequency gasketsIf more than 20% or a pair of the fingers on a RadioFrequency gasket are broken, replace the gasket. Do notturn on the ultrasound system until any loose metallic part isremoved.Do not place labels whereRadio Frequency gasketstouch metalWhere applicable, never place a label where RadioFrequency gaskets meet the ultrasound system. Otherwise,the gap created will permit Radio Frequency leakage. Or, if alabel has been found in such a position, move the label.Use GE HealthCare specifiedharnesses and peripheralsThe interconnect cables are grounded and require ferritebeads and other shielding. Also, cable length, material,and routing are all important; do not change from what isspecified.Take care with cellularphonesCellular phones may transmit a 5 V/m signal; that couldcause image artifacts.Properly route peripheralcablesWhere applicable, do not allow cables to lie across the topof the Card Rack or hang out of the peripheral bays. Loopthe excess length for peripheral cables inside the peripheralbays. Attach the monitor cables to the frame.3.2.9 Probes environmental requirementsFor probe operation and storage temperature information, refer to the Ultrasound system orProbe User Manual.Chapter 3Common Service Information - Service Manual 435444964-100 Rev. 7
3.2.9.1 Time and manpower requirementsSite preparation takes time. Begin site preparation checks as soon as possible, if possible,six weeks before delivery, to allow enough time to make any changes.WARNING For Console Ultrasound systems and for Ultrasound systems mounted on aDocking/Isolation Cart, have two people available to deliver and unpack the Ultrasoundsystem.Attempts to move the Ultrasound system considerable distances or on an incline by oneperson could result in injury or damage or both.Site Preparations44 Common Service Information - Service Manual5444964-100 Rev. 7
3.3 Facility NeedsContents in this section• Purchaser Responsibilities on page 45• Required facility needs on page 46• Desirable features on page 483.3.1 Purchaser ResponsibilitiesThe work and materials needed to prepare the site is the responsibility of the purchaser.Delay, confusion, and waste of manpower can be avoided by completing pre-installation workbefore delivery. Purchaser responsibilities include:• Procuring the materials required.• Completing the preparations before delivery of the ultrasound system.• Paying the costs for any alterations and modifications not specifically provided in thesales contract.NOTEAll electrical installations that are preliminary to the positioning of the equipment at the siteprepared for the equipment must be performed by licensed electrical contractors. Otherconnections between pieces of electrical equipment, calibrations, and testing must also beperformed by qualified personnel. The products involved (and the accompanying electricalinstallations) are highly sophisticated and special engineering competence is required. Allelectrical work on these products must comply with the requirements of applicable electricalcodes. The purchaser of GE HealthCare equipment must only utilize qualified personnel toperform electrical servicing on the equipment.The desire to use a non–listed or customer provided product or to place an approved productfurther from the Ultrasound system than the interface kit allows, presents challenges to theinstallation team. To avoid delays during installation, such variances should be made knownto the individuals or group performing the installation at the earliest possible date (preferablyprior to the purchase).The ultrasound suite must be clean prior to delivery of the ultrasound system. Carpet isnot recommended because it collects dust and creates static. Potential sources of EMI(electromagnetic interference) should also be investigated before delivery. Dirt, static, andEMI can negatively impact ultrasound system reliability.Chapter 3Common Service Information - Service Manual 455444964-100 Rev. 7
3.3.2 Required facility needsNOTEGE HealthCare requires a dedicated power and ground for the proper operation of itsUltrasound equipment. This dedicated power shall originate at the last distribution panelbefore the Ultrasound system.The Ultrasound system will function on voltages from 100-240 Volts and 50 or 60 Hz.However, if using 220-volt power in North America, then a center tapped power source isrequired.Sites with a mains power system with defined Neutral and Live:The dedicated line shall consist of one phase, a neutral (not shared with any other circuit),and a full-size ground wire from the distribution panel to the Ultrasound outlet.Sites with a mains power system without a defined Neutral:The dedicated line shall consist of one phase (two lines), not shared with any other circuit,and a full-size ground wire from the distribution panel to the Ultrasound outlet.Scale: Each square equals one square foot (app. 31 x 31 cm)Figure 3-2 • Minimal Floor Plan, 2.5 m x 3 m (8 by 10 feet)1. Door – at least 762 mm (30in.)6. Examination table – 1930 x610 mm (76 x 24 in.)11. Dedicated power outlet -circuit breaker protected andeasily accessible2. Film viewer 7. Footswitch 12. Network interface3. Counter top, sink with hotand cold water and suppliesstorage8. Stool 13. 457 mm (18 in.) distanceof Ultrasound system fromwall or objects4. Linen supply 9. Ultrasound system 14. GE HealthCare cabinetfor software and manuals5. Probes/supplies 10. External peripheralsSite Preparations46 Common Service Information - Service Manual5444964-100 Rev. 7
Figure 3-3 • Recommended Floor Plan, 4.27 x 5.18 m (14 x 17 feet)1. Secretaries or doctors desk 7. Emergency oxygen 13. Stool2. File cabinet 8. Suction line 14. Footswitch3. Film viewer 9. Ultrasound system 15. Storage for linens andequipment4. Counter top 10. Dedicated power outlet -circuit breaker protected andeasily accessible16. Examination table – 1930x 610 mm (76 x 24 in.)5. Counter top and sink withhot and cold water11. Network interface 17. Lavatory and dressingroom6. Overhead lights dimmer -dual level lighting (bright anddim)12. 457 mm (18 in.) distanceof Ultrasound system fromwall or objects18. Door – at least 762 mm(30 in.)Dedicated single branch power outlet of adequate amperage, meeting all local and nationalcodes, which is located less than 2.5 m (8 ft.) from the Ultrasound system’s proposed location• Door opening is at least 76 cm (30 in) wide• Proposed location for Ultrasound system is at least 0.5 m (1.5 ft.) from the wall forcooling• Power outlet and place for any external peripheral are within 2 m (6.5 ft.) of each otherwith peripheral within 1 m of the Ultrasound system to connect cables.• Power outlets for other medical equipment• Power outlets for test equipment within 1 m (3.2 ft.) of Ultrasound system• Clean and protected space to store probes (in their cases or on a rack)• Material to safely clean probes (done with a plastic container, never metal)For the amperage requirements, see: ‘Electrical requirements’ on page 3-5.Chapter 3Common Service Information - Service Manual 475444964-100 Rev. 7
3.3.3 Desirable features• Door is at least 92 cm (3 ft.) wide• Circuit breaker for dedicated power outlet is easily accessible• Sink with hot and cold water• Receptacle for bio–hazardous waste, like used probe sheaths• Storage for linens and equipment• Nearby waiting room, lavatory, and dressing room• Dual level lighting (bright and dim)• Lockable cabinet ordered by GE HealthCare for its software and proprietary manualsSite Preparations48 Common Service Information - Service Manual5444964-100 Rev. 7
Chapter 4Care and MaintenanceIn this sectionOverview.......................................................... 50Warnings.......................................................... 51Why Do Maintenance.................................................52Maintenance Task Schedule........................................... 53System Maintenance................................................. 54Using a Phantom.................................................... 62Electrical Safety Tests................................................ 63When There Is Too Much Leakage Current............................... 88Ultrasound Equipment Quality Check (EQC and IQC)....................... 90Common Service Information - Service Manual 495444964-100 Rev. 7
4.1 OverviewThis chapter describes Care and Maintenance on the Ultrasound system and peripherals.These procedures are intended to maintain the quality of the Ultrasound system’sperformance. Read this chapter completely and familiarize yourself with the proceduresbefore performing a task.Normal Care and Maintenance is mandatory; it is the responsibility of the customer andincludes the following:• Quality Assurance Program to perform routine quality control testing.NOTESome customers’ Quality Assurance Programs may require additional tasks and orinspections at a different frequency than listed in this manual.• System Maintenance and Checks (Preliminary System, Functional Checks, Peripheral,Cable, Physical Inspection).• Probe Maintenance• System Cleaning, including Air Filter Cleaning• Electrical Safety TestingNOTEIt has been determined by engineering that your Ultrasound system DOES NOT haveany high wear components that fail with use. Therefore, periodic maintenance inspectionsare not mandatory for any Ultrasound system. Only normal Care and Maintenance isrecommended.Care and Maintenance50 Common Service Information - Service Manual5444964-100 Rev. 7
4.2 WarningsDANGERWHERE APPLICABLE, THERE ARE SEVERAL PLACES ON THE BACKPLANE, THEAC DISTRIBUTION, AND DC DISTRIBUTION THAT ARE DANGEROUS. BE SURE TODISCONNECT THE ULTRASOUND SYSTEM POWER PLUG AND OPEN THE MAINCIRCUIT BREAKER BEFORE YOU REMOVE ANY PARTS. BE CAUTIOUS WHENEVERPOWER IS STILL ON AND COVERS ARE REMOVED.DANGERDo not pull out or insert circuit boards while power is on, the Ultrasound system is pluggedinto the wall and/or batteries (if present) are connected.CAUTIONPractice good ESD prevention. Wear an anti–static strap when handling electronic parts andeven when disconnecting/connecting cables.CAUTIONDo not operate this Ultrasound system unless all board covers and frame panels aresecurely in place. System performance and cooling require all board covers and framepanels are securely in place.CAUTIONTo ensure the mutual protection and safety of GE HealthCare service personnel andour customers, all equipment and work areas must be clean and free of any hazardouscontaminants before a Service Engineer starts a repair. This includes, but is not limitedto, decontamination and/or sterilization, depending on the application or use of the medicaldevice.Chapter 4Common Service Information - Service Manual 515444964-100 Rev. 7
4.3 Why Do Maintenance4.3.1 Keeping recordsIt is good business practice that ultrasound facilities maintain records of all correctivemaintenance and care and maintenance on Ultrasound systems where it is applicable. TheUltrasound Equipment Quality Check form provides the customer with documentation that theUltrasound system is maintained regularly.A copy of the Ultrasound Equipment Quality Check form should be kept in the same room ornear the Ultrasound system.4.3.2 Quality assuranceIn order to gain accreditation from organizations such as the American College of Radiology(USA), it is the customer’s responsibility to have a quality assurance program in placefor each Ultrasound system. The program must be directed by a medical physicists, thesupervising radiologist/physician or appropriate designee.Routine quality control testing must occur regularly. The same tests are performed duringeach period so that changes can be monitored over time and effective corrective action canbe taken.Testing results, corrective action and the effects of corrective action must be documentedand maintained on the site.Your GE HealthCare service representative can help you with establishing, performing andmaintaining records for a quality assurance program. Contact GE HealthCare for coverageand/or price for service.Care and Maintenance52 Common Service Information - Service Manual5444964-100 Rev. 7
4.4 Maintenance Task ScheduleThe Customer Care Schedule specifies how often your Ultrasound system should beserviced and outlines items requiring special attention.NOTEIt is the customer’s responsibility to ensure the Ultrasound system care andmaintenance is performed as scheduled to retain its high level of safety, dependabilityand performance.Your GE HealthCare Service Representative has an in-depth knowledge of your Ultrasoundsystem and can best provide competent, efficient service. Contact GE HealthCare forcoverage information and/or price for service.The service procedures and recommended intervals shown in the Customer Care Scheduleassumes that you use your Ultrasound system for an average patient load (10-12 perday) and not use it as a primary mobile Ultrasound system which is transported betweendiagnostic facilities.NOTEIf conditions exist which exceed typical usage and patient load, then it is recommended toincrease the maintenance frequencies.Please refer to the Customer Care Schedule in the service manual for the Ultrasound systemunit for the correct maintenance care schedule.Chapter 4Common Service Information - Service Manual 535444964-100 Rev. 7
4.5 System MaintenanceThe preliminary checks take about 15 minutes to perform. Refer to the Ultrasound systemuser documentation whenever necessary.Table 4-1 • Ultrasound System Preliminary ChecksStep Item Description1. Ask and Listen Ask the customer if they have any problemsor questions about the equipment.2. Paperwork Fill in the top of the EQC inspection form.Record all probes and Ultrasound systemoptions.3. Power up • Turn the Ultrasound system power onand verify that all fans and peripheralsturn on.• Watch the displays during power up toverify that no warning or error messagesare displayed.• Where applicable, confirm that thebattery is charged. If no AC Inputpresent, use the internal battery.4. Probes Verify that the Ultrasound system properlyrecognizes all probes.5. Displays Verify proper display on the monitor andtouch panel (where present).6. InSite Where applicable, for Warranty and ContractCustomers only:• Verify that InSite is functioning properly.• Ensure two-way remotecommunications.7. Review Error Logs Where applicable, Error Logs can bereviewed via system diagnostics.8. Diagnostics Optional.9. Presets Back up all Customer Presets to anappropriate media.10. Image Archive Back up the Image Archive onto appropriatemedia.4.5.1 Functional checksThe functional checks take about 60 minutes to perform. Refer to the Ultrasound system userdocumentation and/or Basic Service Manual whenever necessary.Care and Maintenance54 Common Service Information - Service Manual5444964-100 Rev. 7
4.5.2 System checksTable 4-2 • Ultrasound System ChecksStep Item Description1. B-Mode Verify basic B-Mode (2D) operation. Checkthe basic Ultrasound system controls thataffect this mode of operation.2. CF-Mode Verify basic CF-Mode (Color Flow Mode)operation. Check the basic Ultrasoundsystem controls that affect this mode ofoperation.3. Doppler Modes Where applicable, verify basic Doppleroperation (PW and CW if available). Checkthe basic Ultrasound system controls thataffect this mode of operation.4. M-Mode Verify basic M-Mode operation. Check thebasic Ultrasound system controls that affectthis mode of operation.5. 3D Mode Where applicable, verify basic 3D Modeoperation.Check the basic system controls that affectthis mode of operation.6. RealTime 4D Mode Where applicable, verify basic RealTime 4DMode operation.Check the basic system controls that affectthis mode of operation.7. Basic Measurements Check Distance and Tissue DepthMeasurement.8. Probe Elements Perform an Element Test on each probeto verify that all the probe elements andUltrasound system channels are functional,where applicable.9. Applicable Software Options Verify the basic operation of all optionalmodes.Check the basic system controls that affecteach options operation.10. System Diagnostic Perform the Automatic Tests, whereapplicable.11. Transmit/Receive Verify that all system XMIT/RECV channelsare functional, where applicable.12. Operating Panel test Perform the Operating Panel Test Procedure.13. Keyboard Do the interactive keyboard test.Chapter 4Common Service Information - Service Manual 555444964-100 Rev. 7
Step Item Description14. Touch Panel Where applicable, verify basic Touch Paneldisplay functions.15. Monitor Verify basic monitor display functions.16. Peripherals See Peripheral/option checks on page 56.4.5.3 Peripheral/option checksIf any peripherals or options are not part of the Ultrasound system configuration, the checkcan be omitted.Table 4-3 • GE HealthCare Approved Peripheral/Hardware Option Functional ChecksStep Item Description1. Media Verify media drive(s) read/write properly.Clean if necessary.2. B/W Printer Verify hardcopy output of the B/W video pageprinter. Clean heads and covers if necessary.3. Color Printer Verify hardcopy output of the Color videopage printer. Clean heads and covers ifnecessary.4. DICOM Verify that DICOM is functioning properly.Send an image to a DICOM device.5. ECG Verify basic operation with customer.6. Footswitch Verify that the footswitch is functioning asprogramed. Clean as necessary.7. Other For tablets and other external peripherals,check peripheral manuals for functionalchecks if applicable.4.5.4 Mains power cable inspectionTable 4-4 • Mains Power Cable Inspection, As AppropriateStep Item Description1. Unplug Cord Disconnect the mains power cable from thewall and then from the Ultrasound system.Care and Maintenance56 Common Service Information - Service Manual5444964-100 Rev. 7
Step Item Description2. Inspect Inspect the mains power cable and itsconnectors for damage of any kind.Examples of damage may include:• Cable showing a curvature after thestrain relief of plug which indicates along-term bending in one direction.• Bent plug pins and missing/abradedcoating on plug pins which indicatesheavy usage of the product over a longtime.• Worn plating on the plug pins.• Damaged inlet connectors (below areundamaged).• Damaged/burnt area on the connector.For example, wire is missing in exposedarea (red rectangle), insulation at wireis damaged and/or copper strands arevisible.IMPORTANT: Mains power cables with anytype of damage must be replaced.Chapter 4Common Service Information - Service Manual 575444964-100 Rev. 7
Step Item Description3. Verify Verify that the LINE, NEUTRAL andGROUND wires are properly attached to theterminals, and that no strands may cause ashort circuit.4. Verify Make sure the inlet connector retainer isfunctional.4.5.5 Optional diagnostic checksTo complete the Ultrasound system checks, view the error logs and run desired diagnostics.4.5.5.1 View the logs1. Review the Ultrasound system error log for any problems.2. Check the temperature log to see if there are any trends that could cause problems inthe future.4.5.6 Physical inspectionNOTEThese features may not be present on all Ultrasound systems.Table 4-5 • Physical ChecksStep Item Description1. Labeling Verify that all Ultrasound system labeling ispresent and in readable condition.2. Scratches & Dents Inspect the exterior for dents, scratches orcracks.3. Covers Where applicable, verify all covers aresecured in place and are properly alignedwith other covers. Replace any covers thatare damaged.4. Operating Panel Inspect alphanumeric keyboard and operatorpanel (operator control panel). Record anydamaged or missing items.Care and Maintenance58 Common Service Information - Service Manual5444964-100 Rev. 7
Step Item Description5. Operating Panel Movement • Where applicable, verify ease ofoperating panel (operator control panel)movement in all acceptable directions.• Where applicable, ensure that it latchesin position as required.6. Operating Panel Lights Check for proper operation of all operatingpanel and TGC lights.7. Display (Monitor) Inspect the display for scratches and badpixels.Verify proper operation of contrast andbrightness controls.Where applicable, confirm that the displayarm allows:• swiveling the screen to the left and to theright.• folding the screen to the locked position.• release and adjustment backwards andforwards.• can be adjusted in the up/downpositions.Note: Display arm movement may vary and isnot applicable to all Ultrasound systems.8. Monitor Light Check for proper operation of any monitorlights, if available.9. Input Power Refer to Mains power cable inspection onpage 56.10. External I/O Check all connectors for damage and verifythat the labeling is good.11. Wheels and Brakes • Where applicable, check all wheels andcasters for wear and verify operation offoot brake and release mechanism.• Where applicable, check all wheel locksand wheel swivel locks for properoperation.12. Cables and Connectors Check all internal cable harnesses andconnectors for wear and secure connectorseating. Pay special attention to footswitchassembly and probe strain or bend reliefs.13. Shielding and Covers Check to ensure that all EMI shielding,internal covers, air flow panels and screwsare in place. Missing covers and hardwarecould cause EMI/RFI problems whilescanning.Chapter 4Common Service Information - Service Manual 595444964-100 Rev. 7
Step Item Description14. Control Panel Inspect alphanumeric keyboard andoperating panel. Record any damaged ormissing items.15. Probe Holders Where applicable, inspect the probe holdersfor cracks or damage.16. Power and System StatusIndicatorsCheck for proper operation of all Power andSystem Status indicators.17. Battery Where applicable, check that the battery isnot damaged, does not leak, does not emitan odor, and is not deformed or discolored.Observe all warnings and cautions for batteryhandling, recharging, storing, and/or disposal.18. External Microphone Where applicable, check for proper operationof any external microphones by recording anaudio test.4.5.7 CleaningRefer to the User Manual for the Ultrasound system for instructions.4.5.7.1 Air filter cleaningRefer to the User Manual for the Ultrasound system for instructions.4.5.8 DisinfectingRefer to the User Manual for the Ultrasound system for instructions.4.5.9 Probe maintenanceRefer to the Ultrasound system User Manual, the probe’s User Manual/Probe Care Card,or the Probe Addendum (p/n 5661328) for probe maintenance, checks, cleaning, anddisinfecting instructions.WARNINGTo help protect yourself from blood borne diseases, wear approved disposable gloves.These are made of nitrile derived from vegetable starch to prevent allergic latex reactions.Care and Maintenance60 Common Service Information - Service Manual5444964-100 Rev. 7
CAUTIONFailure to follow the prescribed cleaning or disinfection procedures will void the probe’swarranty.DO NOT soak or wipe the lens with any product not listed in the User Manual. Doing socould result in irreparable damage to the probe.Follow care instructions that came with the probe.CAUTIONDisinfect a defective probe before you return it. Be sure to tag the probe as beingdisinfected.CAUTIONTransesophageal and intraoperative probes require a special handling. Refer to the userdocumentation enclosed with these probes.NOTEGE HealthCare does not substantiate the effectiveness of recommended disinfectantproducts. Questions regarding efficacy, instructions for use, and proper handling shouldbe directed to the disinfectant manufacturer. GE HealthCare publishes a list of materialcompatible disinfectants (see below and also refer to the GE HealthCare website at http://www3.gehealthcare.com/en/Products/ Categories/Ultrasound/Ultrasound_Probes. DO NOTuse non-GE HealthCare-approved disinfectants or products that have not been evaluatedby GE HealthCare for material compatibility. Damages linked to the use of disapprovedchemicals are not covered under product warranty or service contract.)Chapter 4Common Service Information - Service Manual 615444964-100 Rev. 7
4.6 Using a PhantomThe use of a Phantom is not required during Care and Maintenance, except for the InveniaABUS Scan Station. Customer may use it as part of their Quality Assurance Program tests.Care and Maintenance62 Common Service Information - Service Manual5444964-100 Rev. 7
4.7 Electrical Safety TestsContents in this section• Uninterrupted power supply (UPS) on page 63• Safety test overview on page 64• Leakage current limits on page 66• Outlet test - wiring arrangement - USA and Canada on page 68• Grounding continuity test on page 69• Chassis leakage current test on page 71• Isolated patient lead (source) leakage–lead to ground test (e.g. ECG) on page 74• Isolated patient lead (source) leakage–lead to lead test (e.g. ECG) on page 76• Isolated patient lead (sink) leakage-isolation test (e.g. ECG) on page 78• Probe (source) leakage current test on page 80• Isolated probe (sink) leakage-isolation test on page 834.7.1 Uninterrupted power supply (UPS)CAUTIONFor all instructions in this section, in case of using an uninterruptible power supply (UPS) theterms outlet, wall outlet, AC wall outlet or power outlet refer to the AC wall outlet to which theUPS power input is connected. In case of further available AC (or DC) power outlets at thesame used UPS these must remain unused and not connected to any other devices.CAUTIONPlease observe that some uninterruptible power supplies (UPS) may not be medical devices!If the UPS is not a medical device, it has to be located outside of the patient environment(according to IEC 60601-1).Figure 4-1 • Patient EnvironmentChapter 4Common Service Information - Service Manual 635444964-100 Rev. 7
4.7.2 Safety test overviewDANGER Energy Control and Power Lockout for Ultrasound system.When servicing parts of the Ultrasound system where there is exposure to voltage greaterthan 30 volts:1. Follow LOCK OUT/TAG OUT procedures.2. Turn off the breaker.3. Unplug the power cable from the wall outlet, then from the Ultrasound system.4. Maintain exclusive control of the Ultrasound system power cable by applying Lockout/Tagout Devices.5. Wait at least 30 seconds for capacitors to discharge as there are no test points to verifyisolation.6. Remove/disconnect the battery if present.Ultrasound system components may be energized.Capacitors on Ultrasound systems with the Shearwave Option can take up to 5 minutes todischarge.DANGERPossible risk of infection.Do not handle soiled or contaminated probes and other components that have been inpatient contact. Follow appropriate cleaning and disinfecting procedures before handling theequipment.The electrical safety tests in this section are based on IEC 60601-1 standard includingnational deviations for Health Care Facilities and IEC 62353 Medical electrical equipment –Recurrent test and test after repair of medical electrical equipment. These standards provideguidance on evaluating electrical safety of medical devices which are placed into service andare intended for use in normal Care and Maintenance or testing following service or repairactivities. They differ somewhat from the standards that are used for design verification andmanufacturing tests (for example, IEC 60601-1 including national deviations) which require acontrolled test environment and can place unnecessary stress on the Ultrasound system.These tests may refer to specific safety analyzer equipment as an example. Always refer tothe safety analyzer’s user manual that will be used to perform the tests.Prior to initiating any electrical test, the Ultrasound system must be visually inspected.Perform the following visual checks:• Check for missing or loose enclosure covers that could allow access to internal live parts.• Examine the mains cord, mains plug and appliance inlet for damaged insulation andadequacy of strain relief and cable clamps.Care and Maintenance64 Common Service Information - Service Manual5444964-100 Rev. 7
• Locate and examine all associated probes. Inspect the cables and strain relief at eachend. Inspect the transducer enclosure and lens for cracks, holes and similar defects.DANGERTo minimize the risk and avoid an electric shock, only trained persons are allowed to performthe electrical safety inspections and tests.DANGERTo avoid electrical shock, the Ultrasound system under test MUST NOT be connected toother electrical equipment. Remove all interconnecting cables and wires. The Ultrasoundsystem under test must not be contacted by users or patients while performing these tests.WARNINGUsers must ensure that safety inspections are performed whenever damage is suspectedand on a regular basis in accordance with local authorities and facility procedures. DO NOTuse the Ultrasound system or individual probes which fail any portion of the safety test.CAUTIONCompare all safety-test results with safety-test results of previously performed safety tests(e.g. last year etc.). In case of unexplainable abrupt changes of safety-test results consultexperienced authorized service personnel or GE HealthCare for further analysis.CAUTIONFor all instructions in this section in case of using an uninterruptible power supply (UPS) theterms outlet, wall outlet, AC wall outlet or power outlet refer to the AC wall outlet to which theUPS power input is connected. In case of further available AC (or DC) power outlets at thesame used UPS these must remain unused and not connected to any other devices.Chapter 4Common Service Information - Service Manual 655444964-100 Rev. 7
4.7.3 Leakage current limitsDANGER Energy Control and Power Lockout for Ultrasound system.When servicing parts of the Ultrasound system where there is exposure to voltage greaterthan 30 volts:1. Follow LOCK OUT/TAG OUT procedures.2. Turn off the breaker.3. Unplug the power cable from the wall outlet, then from the Ultrasound system.4. Maintain exclusive control of the Ultrasound system power cable.5. Wait at least 30 seconds for capacitors to discharge as there are no test points to verifyisolation.6. Remove/disconnect the battery if present.Ultrasound system components may be energized.Capacitors on Ultrasound systems with the Shearwave Option can take up to 5 minutes todischarge.The following acceptance limits and test conditions are summarized from IEC 60601(including national deviations) and IEC 62353. In some cases, the acceptance limits and testconditions are lower than those specified by other valid national or international standards.In some countries/regions differing acceptance limits and differing test conditions may apply.4.7.4 LOGIQ/Vivid/Voluson Ultrasound system leakage current limitsLeakage current limits for LOGIQ, Vivid and VOLUSON Ultrasound systems are shown belowfor 100-240 volt mains.NOTEOpen Grounding is also known as “Lift Ground.”Table 4-6 • Leakage Current Limits for Ultrasound System Operation on 100-240 VoltMainsLeakageCurrent TestSystem Power Grounding/PEConductorLimit in mA Limit in μAEarth Leakage On and Off n/a 0.5 500Care and Maintenance66 Common Service Information - Service Manual5444964-100 Rev. 7
LeakageCurrent TestSystem Power Grounding/PEConductorLimit in mA Limit in μAChassis/EnclosureLeakageOn and Off ClosedOpen0.10.5100500Type BF AppliedPartsOn (transmit) ClosedOpen0.10.5100500Type CF AppliedPartsOn (transmit) ClosedOpen0.010.051050Type BF AppliedParts (sinkleakage, mainsvoltage onapplied part)On and Off Closed 5 5000Type CF AppliedParts (sinkleakage, mainsvoltage onapplied part)On and Off Closed 0.05 50Values based on IEC 60601*ISO and Mains Applied refers to the sink leakage test where mains (supply) voltage isapplied to the applied part to determine the amount of current that will pass (or sink) toground if a patient is in contact with mains voltage.Table 4-7 • ISO and Mains Applied Limits*Probe Type MeasurementBF 5.0 mA (5000 μA)CF 0.05 mA (50 μA)*ISO and Mains Applied refers to the sink leakage test where mains (supply) voltage isapplied to the applied part to determine the amount of current that will pass (or sink) toground if a patient is in contact with mains voltage.NOTEElectrical leakage testing may be accomplished with any calibrated electrical safety analyzertool compliant with AAMI/ESI 1993 or IEC 60601 or AS/NZS 3551 or IEC 62353 or otherrelevant national regulation.Table 4-8 • Equipment Type and Test DefinitionsApplied Parts (AP) Parts or accessories that contact the patient to performtheir function. For Ultrasound equipment, this includestransducers, ECG leads and e-TRAX Needle Sensor.Chapter 4Common Service Information - Service Manual 675444964-100 Rev. 7
Type BF Type BF Applied Part (manin the box) symbol isin accordance with IEC60417-5333, e.g. ultrasoundprobes which are marked withthe 'man in box' BF symbol.Type BF Defib.-Proof Type BF defibrillation proofApplied Part (man in thebox with paddle) symbolis in accordance withIEC 60417-5334, e.g. ECGelectrodes which are markedwith the 'man in box withpaddle' BF symbol.Type CF Type CF Applied Part(heart in the box) symbolis in accordance withIEC 60417-5335, e.g.intraoperative probes fordirect cardiac contact,isolated ECG connectionsand e-TRAX Needle Sensor,so marked with the 'heart inbox' CF symbol.Type CF Defib.-Proof Type CF defibrillation proofApplied Part (heart inthe box with paddle)symbol is in accordancewith IEC 60417-5336, e.g.intraoperative probes fordirect cardiac contact,isolated ECG connectionsand e-TRAX Needle Sensor,so marked with the 'heart inbox with paddle' CF symbol.Sink Leakage The current resulting from the application of mains voltageto the applied part. This test is required for Type BF and CFapplied parts.4.7.5 Outlet test - wiring arrangement - USA and CanadaTest all outlets in the area for proper grounding and wiring arrangement by plugging in theneon outlet tester and noting the combination of lights that are illuminated. Any problemsfound should be reported to the hospital immediately and the receptacle should not be used.Care and Maintenance68 Common Service Information - Service Manual5444964-100 Rev. 7
Figure 4-2 • Typical Alternate Outlet Tester1. Correct wiring 4. Open neutral wire2. Open ground wire 5. Hot and ground reversed3. Reversed polarity 6. Open hot wireNOTENo outlet tester can detect the condition where the Neutral (grounded supply) conductor andthe Grounding (protective earth) conductor are reversed. If later tests indicate high leakagecurrents, this should be suspected as a possible cause and the outlet wiring should bevisually inspected.4.7.6 Grounding continuity testDANGER Electric Shock Hazard!The patient or operator MUST NOT come into contact with the equipment during this test.4.7.6.1 Definition of the grounding continuity testThis test measures the impedance between the protective-earth pin of the plug andprotectively-earthed parts of the console.The test verifies that the protective earth conductors in the power cord and console are intact.The testing electrical safety analyzer is connected to parts of the equipment easily contactedby the user or patient.The ground wire resistance should comply with the procedure used for the test.Chapter 4Common Service Information - Service Manual 695444964-100 Rev. 7
• For IEC 60601-1, the expected result is less than 0.2 ohms.• For IEC 62353, the expected result is less than 0.3 ohms.• For NFPA 99, the expected result is less than 0.5 ohms.NOTEIn some countries/regions differing acceptance limits and differing test conditions may apply.4.7.6.2 Generic procedure for the grounding continuity testMeasure the resistance from the third pin of the attachment plug to the exposed metal partsof the case.Record the highest reading of current.Figure 4-3 • Ground Continuity Test1. Ultrasound system 3. Ohmmeter or electrical safety analyzer2. Ground pin 4. Accessible metal part such as:• Potential equilibrium connector• Monitor housing• Probe connector4.7.6.3 Data sheet for the grounding continuity testThis table shows a typical format for recording the grounding continuity.Record all data and keep the record of the results with other hard copies of maintenancedata.Care and Maintenance70 Common Service Information - Service Manual5444964-100 Rev. 7
When filling out an electronic form (for example, an Ultrasound Equipment Quality Check(EQC and IQC)), record the highest reading from your results.NOTENot all test procedures are applicable to all areas of the world. Reversed Polarity testingcontent satisfies regions following IEC 62353 and IEC 60601-1.Table 4-9 • Typical Data Format For Recording Grounding ContinuityUnit under test ________________________ Date of test __/__/____Test Conditions Measurement/Test Point LocationSystemPowerGrounding/PELimit μA Third pinof theattachmentplugoff closed For IEC60601-1,theexpectedresult isless than0.2 ohms.For IEC62353, theexpectedresult isless than0.3 ohms.For NFPA99, theexpectedresult isless than0.5 ohms.4.7.7 Chassis leakage current testDANGER Electric Shock Hazard!When the electrical safety analyzer's ground switch is OPEN, DO NOT touch the Ultrasoundsystem!Chapter 4Common Service Information - Service Manual 715444964-100 Rev. 7
CAUTIONEquipment damage possibility.Never switch the Polarity and the status of Neutral when the Ultrasound system is poweredON.Power off the Ultrasound system, allow the stored energy to bleed down, and turn the circuitbreaker off BEFORE switching the \"POLARITY\" switch and/or the \"NEUTRAL\" switch on theElectrical Safety Analyzer to avoid possible power supply damage.CAUTIONLacquer is an isolation barrier! Measure only on blank accessible metal parts.4.7.7.1 Definition of the chassis leakage current testThis test, also known as Enclosure Leakage current test, measures the current that wouldflow through a grounded person who touches the accessible conductive parts of theequipment during normal and fault conditions.The test verifies the isolation of the power line from the chassis.The testing electrical safety analyzer is connected to parts of the equipment easily contactedby the user or patient.4.7.7.2 Generic procedure for the chassis leakage current testThe test verifies the isolation of the power line from the chassis. The testing electrical safetyanalyzer is connected from accessible metal parts of the case to ground. Measurementsshould be made under the test conditions specified in Table 4-6 • Leakage Current Limits forUltrasound System Operation on 100-240 Volt Mains on page 66, as applicable.The maximum allowable limit for chassis source leakage is shown in Table 4-6 • LeakageCurrent Limits for Ultrasound System Operation on 100-240 Volt Mains on page 66, asChassis/Enclosure Leakage.NOTENot all test procedures are applicable to all areas of the world. Reversed Polarity testingcontent satisfies regions following IEC 62353 and IEC 60601-1.Record the highest reading of current.1. Connect the safety analyzer to wall AC wall outlet.2. Plug the equipment under test into the receptacle on the panel of the electrical safetyanalyzer.3. Connect the electrical safety analyzer to an accessible metal surface of the Ultrasoundsystem using the cable provided with the electrical safety analyzer.4. Select the “Chassis” or “Enclosure Leakage” function on the electrical safety analyzer.5. Test opening and closing the ground with the Ultrasound system on and off as indicatedin Table 4-6 • Leakage Current Limits for Ultrasound System Operation on 100-240 VoltMains on page 66, as applicable.NOTEFor more information, refer to the safety analyzer’s user manual that will be used to performthe tests.Care and Maintenance72 Common Service Information - Service Manual5444964-100 Rev. 7
4.7.7.3 Data sheet for the chassis leakage current testTable 4-10 • Typical Data Format For Recording Chassis Leakage (Touch Current) onpage 73 shows a typical format for recording the enclosure/chassis leakage current.Measurements should be recorded from multiple locations for each set of test conditions.The actual location of the test probe may vary by Ultrasound system.Record all data and keep the record of the results with other hard copies of maintenancedata.When filling out an electronic form (for example, an Ultrasound Equipment Quality Check(EQC and IQC)), record the highest reading from your results.NOTENot all test procedures are applicable to all areas of the world. Reversed Polarity testingcontent satisfies regions following IEC 62353 and IEC 60601-1.NOTEValues in italics font are given as examples only.Table 4-10 • Typical Data Format For Recording Chassis Leakage (Touch Current)Unit under test ________________________ Date of test __/__/____Test Conditions Measurement/Test Point LocationSystemPowerGrounding/PELimit μA PotentialequilibriumconnectorMonitorhousingProbeconnectoroff closed 100off open 500on closed 100on open 500off closed(reversedpolarity)100off open(reversedpolarity)500on closed(reversedpolarity)100on open(reversedpolarity)500Chapter 4Common Service Information - Service Manual 735444964-100 Rev. 7
4.7.8 Isolated patient lead (source) leakage–lead to ground test (e.g. ECG)CAUTIONEquipment damage possibility.Never switch the Polarity and the status of Neutral when the Ultrasound system is poweredON.Power off the Ultrasound system, allow the stored energy to bleed down, and turn the circuitbreaker off BEFORE switching the \"POLARITY\" switch and/or the \"NEUTRAL\" switch on theelectrical safety analyzer to avoid possible power supply damage.4.7.8.1 Definition of the isolated patient lead (source) leakage–lead to ground testThis test measures the current which would flow to ground from any of the isolated ECGleads. The electrical safety analyzer simulates a patient who is connected to the monitoringequipment and is grounded by touching some other grounded surface.Measurements should be made with the ground open and closed, with power line polaritynormal and reversed, and with the Ultrasound system on and off (per IEC 62353 and/or IEC60601-1).For each combination the operating controls, such as the lead switch, should be operated tofind the worst case condition.4.7.8.2 Generic procedure for the isolated patient lead (source) leakage–lead to groundtestMeasurements should be made under the test conditions specified in Table 4-6 • LeakageCurrent Limits for Ultrasound System Operation on 100-240 Volt Mains on page 66, asapplicable.For each combination, the operating controls, such as the lead switch, should be operated tofind the worst case condition.Record the highest reading of current.1. Connect the safety analyzer to wall AC power outlet.2. Plug the equipment under test power cable into the receptacle on the panel of theelectrical safety analyzer.3. Connect the ECG cable to the Ultrasound system and the patient leads to the analyzer.4. Select the “Patient Lead Leakage” function on the electrical safety analyzer.5. Test opening and closing the ground with the Ultrasound system on and off.NOTEFor more information, refer to the safety analyzer's user manual.Care and Maintenance74 Common Service Information - Service Manual5444964-100 Rev. 7
Figure 4-4 • Set Up for Test of Earth Leakage Current, IEC 60601-11. Ultrasound system 4. ECG patient cable2. Mains power cable 5. Electrical safety analyzer3. Accessible metal parts (chassis - non-earthground, unprotected surface)6. AC wall outlet4.7.8.3 Data sheet for the isolated patient lead (source) leakage–lead to ground testThis table shows a typical format for recording the isolated patient lead (source) leakage–lead to ground.Record all data and keep the record of the results with other hard copies of maintenancedata.When filling out an electronic form (for example, an Ultrasound Equipment Quality Check(EQC and IQC)), record the highest reading from your results.NOTENot all test procedures are applicable to all areas of the world. Reversed Polarity testingcontent satisfies regions following IEC 62353 and IEC 60601-1.NOTEValues in italics font are given as examples only.Chapter 4Common Service Information - Service Manual 755444964-100 Rev. 7
Table 4-11 • Typical Data Format For Recording Patient Lead To Ground (GND)Leakage for CF Type Applied Part (e.g. ECG)Unit under test ________________________ Date of test __/__/____Test Conditions Patient Lead or Combination MeasuredSystemPowerGrounding/PELimit μA RA to GND LA to GND LL to GND (RA+LA+LL) to GNDoff closed 10off open 50on closed 10on open 50off closed(reversedpolarity)10off open(reversedpolarity)50on closed(reversedpolarity)10on open(reversedpolarity)504.7.9 Isolated patient lead (source) leakage–lead to lead test (e.g. ECG)DANGERElectric Shock Hazard!When the electrical safety analyzer's ground switch is OPEN, DO NOT touch the Ultrasoundsystem!4.7.9.1 Definition of the isolated patient lead (source) leakage–lead to lead testThis test measures the current which would flow between ECG leads. The electrical safetyanalyzer simulates a patient who is connected to the monitoring equipment.This test verifies that the separation between the patient connections is adequate to limit thepatient leakage current to the allowed value when an external voltage is present.The testing electrical safety analyzer is connected to parts of the equipment easily contactedby the user or patient.Select and test each of the ECG lead positions (except ALL) on the LEAD selector, testingeach to the power and ground condition combinations found in Table 4-6 on page 4-19, asapplicable.Care and Maintenance76 Common Service Information - Service Manual5444964-100 Rev. 7
NOTEThis test is also known as the patient auxiliary current test.4.7.9.2 Generic procedure for the lead to lead leakage testTable 4-12 • Typical Data Format For Recording Patient Lead To Lead Leakage for CF TypeApplied Part (e.g. ECG) on page 78 shows a typical format for recording the patient lead tolead leakage current.Measurements should be recorded from each lead combination under each set of testconditions specified in Table 4-6 • Leakage Current Limits for Ultrasound System Operationon 100-240 Volt Mains on page 66, as applicable.Record the highest reading of current.1. Connect the safety analyzer to a wall AC power outlet.2. Plug the equipment under test into the receptacle on the electrical safety analyzer'spanel.3. Connect the ECG cable to the Ultrasound system and the patient leads to the analyzer.4. Select the “Patient Lead Leakage” function on the electrical safety analyzer.5. Test opening and closing the ground with the Ultrasound system on and off.NOTERefer to the safety analyzer’s user manual that will be used to perform the tests.4.7.9.3 Data sheet for the lead to lead leakage testThis table shows a typical format for recording the lead to lead leakage test.Record all data and keep the record of the results with other hard copies of maintenancedata.When filling out an electronic form (for example, an Ultrasound Equipment Quality Check(EQC and IQC)), record the highest reading from your results.NOTENot all test procedures are applicable to all areas of the world. Reversed Polarity testingcontent satisfies regions following IEC 62353 and IEC 60601-1.NOTEValues in italics font are given as examples only.Chapter 4Common Service Information - Service Manual 775444964-100 Rev. 7
Table 4-12 • Typical Data Format For Recording Patient Lead To Lead Leakage for CFType Applied Part (e.g. ECG)Unit under test ________________________ Date of test __/__/____Test Conditions Patient Lead or Combination MeasuredSystemPowerGrounding/PELimit μA RA to LA LA to LL LL to RA (RA+LA+LL) to GNDoff closed 10off open 50on closed 10on open 50off closed(reversedpolarity)10off open(reversedpolarity)50on closed(reversedpolarity)10on open(reversedpolarity)504.7.10 Isolated patient lead (sink) leakage-isolation test (e.g. ECG)DANGER Line voltage is applied to the ECG leads during this test. To avoid possible electricshock hazard, the Ultrasound system being tested must not be touched by patients, users oranyone while the ISO TEST switch is depressed.4.7.10.1 Definition of the isolated patient lead (sink) leakage-isolation testThis test measures the current which would flow if mains voltage were connected to isolatedECG leads.This test verifies that the separation between the patient connections and other parts isadequate to limit the patient leakage current to the allowed value when an external voltage ispresent.The testing electrical safety analyzer is connected to parts of the equipment easily contactedby the user or patient.Select the Individual Leads as well as All Lead position since the test is performed with mainsapplied to all ECG leads at the same time.Care and Maintenance78 Common Service Information - Service Manual5444964-100 Rev. 7
4.7.10.2 Generic procedure for the isolated lead (sink) leakage testTable 4-13 • Typical Data Format For Recording Isolated Patient Lead (Sink) Leakage for CFType Applied Part (e.g. ECG) on page 79 shows a typical format for recording the isolatedpatient lead sink leakage current.Measurements should be recorded for full lead combination under each set of test conditionsspecified in Table 4-7 • ISO and Mains Applied Limits* on page 67.Record the highest reading of current.1. Connect the safety analyzer to a wall AC power outlet.2. Plug the equipment under test into the receptacle on the panel of the electrical safetyanalyzer.3. Connect the ECG cable to the Ultrasound system and the patient leads to the analyzer.4. Select the “Patient Lead Leakage” function on the electrical safety analyzer.5. Test with closed ground with the Ultrasound system on and off.NOTERefer to the electrical safety analyzer’s user manual that will be used to perform the tests.4.7.10.3 Data sheet for the isolated lead (sink) leakage testThis table shows a typical format for recording the isolated lead (sink) leakage test.Record all data and keep the record of the results with other hard copies of maintenancedata.When filling out an electronic form (for example, an Ultrasound Equipment Quality Check(EQC and IQC)), record the highest reading from your results.NOTENot all test procedures are applicable to all areas of the world. Reversed Polarity testingcontent satisfies regions following IEC 62353 and IEC 60601-1.NOTEValues in italics font are given as examples only.Table 4-13 • Typical Data Format For Recording Isolated Patient Lead (Sink) Leakagefor CF Type Applied Part (e.g. ECG)Unit under test________________________Date of test __/__/____Test Conditions Patient LeadSystem Power Grounding/PE Limit μA RA+LA+LLoff closed 50on closed 50Chapter 4Common Service Information - Service Manual 795444964-100 Rev. 7
Unit under test________________________Date of test __/__/____Test Conditions Patient LeadSystem Power Grounding/PE Limit μA RA+LA+LLoff closed (reversedpolarity)50on closed (reversedpolarity)504.7.11 Probe (source) leakage current testDANGERDo not use the probe if the insulating material has been punctured or otherwisecompromised. Integrity of the insulation material and patient safety can be verified by safetytesting according to IEC 60601-1.4.7.11.1 Definition of probe (source) leakage current testThis test measures the current that would flow to ground from any of the probes througha patient who is being scanned and becomes grounded by touching some other groundedsurface.NOTEEach probe will have some amount of leakage, dependent on its design. Small variationsin probe leakage currents are normal from probe to probe. Other variations will result fromdifferences in line voltage and test lead placement. It is abnormal if no leakage current ismeasured. If no leakage current is detected, check the configuration of the test equipment.4.7.11.2 Generic procedure on probe leakage currentThe most common method of measuring probe leakage is to partly immerse the probe into asaline bath while the probe is connected to the Ultrasound system and active. This methodmeasures the actual leakage current resulting from the probe RF drive.Measurements should be made under the test conditions specified in:• Table 4-6 • Leakage Current Limits for Ultrasound System Operation on 100-240 VoltMains on page 66, as applicable for every probe.For each combination, the probe must be active to find the worst case condition.Record the highest reading of current.NOTESaline water pod should be insulated from floor and earth ground.Care and Maintenance80 Common Service Information - Service Manual5444964-100 Rev. 7