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GE GDF540HGD Circulation Turbidity Sensor, Filters, Turbidity Sensor Calibration, ± ±, Notice

Models: GDT550HGD GDT530PGD GDF520PGD GDF510PGD GDF540HGD

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Circulation Turbidity

Circulation Turbidity

Sensor

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GE Factory Service Technicians are

REQUIRED to follow Lockout / Tagout (LOTO) 6

Step Process prior to beginning repair.

Turbidity Sensor Calibration

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Turbidity Sensor Diagnostics

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Filters

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Image 55

GE GDF540HGD Circulation Turbidity Sensor, Filters, Turbidity Sensor Calibration, Turbidity Sensor Diagnostics, ± ±

Contents

XO\ Technical Service Guide2012 GE Dishwasher $SSOLDQFHVReconnect all Grounding Devices Safety InformationImportant Safety Notice Technical Service Guide Copyright± ± Table of Contents± ± &XW 5HVLVWDQW 6OHHYH Safety RequirementsOHFWULFDOO\ 5DWHG *ORYH DQG HHSHU$ ± -$1 NomenclatureSerial Number DPSOH /=6 -XQH2012 GE Dishwasher IntroductionPage Installation Product SpecificationsGDT550HGD Sound insulation Page ‡UDLQ 3XPS 7&2 ƒ ƒ AC VoltageDC Voltage Tools NeededAdd Detergent Control FeaturesOperation Load DishwasherWash Temp Boost RinseHWHUJHQW LV QRW GLVSHQVHG GXULQJ WKH ULQVH F\FOH Select OptionsE\ SUHVVLQJ SDGV ZLWK WKLV RSWLRQ VHOHFWHG CancelClean Control LockCycle Chart Cycle Times Auto Hot StartCycle Temperatures Main Control Service LED TroubleshootingDiagnostic Error Code Display Mode Service ModeDiagnostic Error Codes Displaying Diagnostic Error CodesDiagnostic Error Code Mode To enter diagnostic error code modeStart to Start/Stop 7HVW Service ModeFlashing Lights 3UHVV Cycle Select to Select/Increment 7HVW &KHFN IRU HUURU FRGHV Poor WashabilityWater on Floor &RQILUP VSUD\ DUP MHWV DUH FOHDU±,V RRU KLWWLQJ FDELQHWV NoiseDishwasher Does Not Start ‡RRU ±&KHFN IRU KLQJH QRLVH RU LQWHUIHUHQFHAND DOO RWKHU EXWWRQV UHVSRQG DV QRUPDO Service LEDDiagnosis: 7KH XQLW PD\ EH LQ GHPR PRGH Front View Component Locator ViewsSide View Bottom View Sump Components, Top Sump Components, Bottom Junction Box GE Factory Service Technicians areTub and Structure Toe KickLeveling Legs All Ground Wires Must be Securely Attached± ± 5HPRYH WKH UDFN DVVHPEO\ IURP WKH GLVKZDVKHU Upper Rack$7 7RU LV UHTXLUHG WR UHPRYH 5DFN DQG 7XE 5ROOHUVReversible and Fold Down Tines Lower Rack± ± NOTICE Door Springs and Hinges7KH ILUVW * LVKZDVKHUV SURGXFHG -XO\ ± ±± ± DoorTub Gasket and Tub Trim To remove DoorNOTICE 5HPRYH ó´ KH KHDG VFUHZV DW ERWWRP RI GRRU± ± ,QVHUW D $OOHQ ZUHQFK RU VLPLODU VLH WRRO /LIW GRRU RII XQLW Inner Door Vent Cover /LIW GRRU XS DSSURLPDWHO\ ,QFKHV 7LOW GRRU LQ YHUWLFDO 7XUQ FRXQWHU FORFNZLVH WR UHPRYH Door GasketLQWR YHQW FRQVROH RU FRQWURO SDQHOTo Diagnose GDF520, GDT530 Detergent ModuleTo remove the Detergent Module To Diagnose GDF510 Detergent Module 5HPRYH ± ³ KH KHDG VFUHZV Top Control Door Control PanelPocket Handle 5HPRYH DQG VHSDUDWH GRRUVFUHZV Bar HandleLatch strike 7R UHPRYH 5HPRYH DQG VHSDUDWH GRRU 5HPRYH ó´ VFUHZV UI BoardSS Door Attach Strips Front Control± ± UI Control ReplacementMain Control Board Top Control± ± To Access Main Control Board 5HPRYH SRZHU WR WKH GLVKZDVKHU 5HPRYH ´ KH KHDG VFUHZV 5HPRYH SRZHU WR XQLW Sump ModuleTo Diagnose Main Control Board To remove the sump module± ± LVFRQQHFW WXUELGLW\ VHQVRU ZLULQJ *UDVS VXPS IURP LQVLGH OLIW DQG WLOW 8QODWFK VXPS FOLSV WXUQ WR VWRS SRLQW± ± All Safety Shields must be reinstalledUDVS KDUQHVV FRQQHFWRU WR SUHYHQW GDPDJLQJ WKH KDUQHVV ZLULQJLatch Switch Strip Circuit Latch AssemblyLatch Switch Diagnosis Wire RoutingProper Water Level Fill SystemFill Operation Fill Strip Circuits Fill DiagnosticsThermistor Strip Circuit5HPRYH DQ\ ZDWHU LQ WKH VXPS DUHD Fill Flood/Float Switch Removal 5HPRYH KDUQHVV WR IORRG VZLWFK DVVHPEO\ 5HPRYH FRDUVH ILOWHUTo remove the water valve Fill Funnel and HoseFill Water Valve 5HPRYH KRVH IURP YDOYH. . . . . . Circulation SpecificationsCirculation System Circulation OperationCirculation Strip Circuits Circulation Motor Pump Circulation DiagnosticsAssembly To Remove circulation pump motor assembly± ± 5HPRYH WKH VXPS PRGXOHWKH VXPS PRGXOH /RRVHQ WKH LQOHW DQG RXWOHW ZDVK PRWRU FODPSVTurbidity Sensor Calibration Turbidity Sensor DiagnosticsCirculation Turbidity Sensor Filters± ± Upper Spray ArmRRG LOWUDWLRQ LV NH\ WR JRRG ZDVK SHUIRUPDQFH Middle Conduit Middle Spray ArmLower Spray Arm Circulation Diverter± ± Clamp removal tip: 8VH D VPDOO VFUHZGULYHU Circulation Conduit AssemblyTo Remove the Diverter &\FOH UHSHDWV± ± 5HPRYH WKH XSSHU VSUD\ DUP‡ VHFRQGV RQ ‡ VHFRQGV RII ‡ VHFRQGV RQ Drain SystemDrain Operation Drain Cycle AlgorithmTo remove or replace the Drain Pump Notice: All Safety Shields must be reinstalledDrain Strip Circuits Drain Pump /RRVHQ RU UHPRYH WKH UDLQ 3XPS +DQJHU± ± Drain DiagnosticsTo Remove the Vent Dry Cycle SpecificationsDry System Dry Cycle Operation 5HPRYH WKH GRRU VHH GRRU UHPRYDO Dry Cycle DiagnosticsHeating Element The heater can be removed 2 ways± ± Dry Cycle Strip Circuits Tub TCONotice: All Safety Shields must be reinstalled Service Control Replacement Page Main Board top Main Board bottom Connectors and Pin LocationsGDF510 SchematicsGDF520 and GDF540 GDT530 and GDT550 One Year GE Dishwasher WarrantyFor The Period Of GE Will Replace