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Contents

Technical Service Guide Safety Information Important Safety NoticeReconnect all Grounding Devices GE Appliances Table of Contents Page Safety Requirements Hhshu XW 5HVLVWDQW 6OHHYH V3UHVFULSWLRQ 6DIHW\ *ODVVHV 6DIHW\ *ODVVHV Pxvw EH $16 = Frpsoldqw Nomenclature Serial Number Introduction GE DishwasherPage Product Specifications Installation GDT550HGD Sound insulation Page AC Voltage DC VoltageTools Needed ‡ 7KHUPLVWRU LQ Iorrg VZLWFK 5HVLVWDQFH 7HPSHUDWXUH Control Features Operation Delay Hours RinseWash Temp Boost Wash Temp Sani Cancel CleanControl Lock Energy Smart Cycle Chart Auto Hot Start Cycle Times Cycle Temperatures Troubleshooting Diagnostic Error Code Display ModeService Mode Main Control Service LED Displaying Diagnostic Error Codes Diagnostic Error CodesDoor Status Check Service Mode Flashing Lights Poor Washability Water on Floor /HYHO Glvkzdvkhu Ohiw WR Uljkw DQG Iurqw WR EDFN Noise Dishwasher Does Not Start‡ RRU \FOH Service LED DOO Rwkhu Exwwrqv Uhvsrqg DV Qrupdo Component Locator Views Front View Side View Bottom View Sump Components, Top Sump Components, Bottom Tub and Structure Toe KickJunction Box GDT550 Sound insulation All Ground Wires Must be Securely Attached Leveling LegsGrhq Qxwv WR DFW DV MDP Qxwv Deryh DQG Ehorz WKH Edvh UDLO ± ± Upper Rack $ 7 7RU LV Uhtxluhg WR Uhpryh 5DFN DQG 7XE 5ROOHUV 5HPRYH WKH Udfn DVVHPEO\ Iurp WKH GLVKZDVKHU ± ± Lower Rack Reversible and Fold Down Tines± ± 7KH Iluvw * Lvkzdvkhuv Surgxfhg -XO\ ± ± Door To remove Door 5HPRYH Srzhu WR WKH GLVKZDVKHU 5HPRYH WRH NLFN ± ± 5HOHDVH WKH Zluh Wlhv Kroglqj WKH Kduqhvv WR WKH WXE 5HPRYH ó´ KH Khdg Vfuhzv DW Erwwrp RI GRRU± ± Inner Door Vent Cover Use care to prevent damage to the inner door± ± Door Gasket To separate door Potential Ergonomic Risk GE Factory 5HPRYH ó´ KH Khdg VFUHZV 5HPRYH GRRU Detergent Module To remove the Detergent ModuleTo Diagnose GDF510 Detergent Module Front Control Door Console Top Control Door Control Panel Pocket Handle 5HPRYH DQG Vhsdudwh GRRU &RQWURO DQG Fryhu Zloo Gurs Grzq Iurp Frqwuro SDQHO Bar Handle Latch strike7R UHPRYH 5HPRYH DQG Vhsdudwh GRRU VFUHZV UI Board SS Door Attach StripsFront Control 6OLGH WKH Vwuls Lqzdug WR Uhpryh Frqwuro UI Control Replacement Main Control BoardTop Control ± ± To Access Main Control Board 7KH Pdlq Frqwuro KDV D Vhuylfh / Zklfk Dlgv GLDJQRVWLFV± ± Sump Module To Diagnose Main Control BoardTo remove the sump module ± ± All Safety Shields must be reinstalled ± ± Latch Assembly Latch Switch DiagnosisWire Routing Latch Switch Strip Circuit Fill System Fill OperationFill Strip Circuits Proper Water Level Fill Diagnostics Thermistor Strip Circuit± ± Fill Flood/Float Switch Removal 5HPRYH DQ\ Zdwhu LQ WKH Vxps DUHDIorru Sodwh DQG Iorrg VZLWFK ± ± Fill Funnel and Hose Fill Water Valve 5HPRYH ó KH Khdg Vfuhzv Iurp Eudfnhw WR OHJ DVVHPEO\ 5HPRYH 3RZHU WR LVKZDVKHU 5HPRYH 7RH .LFN Circulation Specifications Circulation SystemCirculation Operation To Remove circulation pump motor assembly 5HPRYH WKH GRRU± ± 5HPRYH WKH Vxps PRGXOH WKH Vxps PRGXOH /RRVHQ WKH Lqohw DQG Rxwohw Zdvk Prwru FODPSV ± ± Turbidity Sensor Diagnostics Circulation Turbidity SensorFilters Turbidity Sensor Calibration Upper Spray Arm ± ± Middle Spray Arm Lower Spray Arm Circulation DiverterMiddle Conduit ± ± ± ± Circulation Conduit Assembly To Remove the Diverter\FOH UHSHDWV To remove the conduit 5HPRYH WKH Xsshu VSUD\ DUP 7KH Pdlq Frqgxlw FDQ QRZ EH Uhpryhg Iurp WKH GLVKZDVKHU± ± Drain System Drain OperationDrain Cycle Algorithm ± ± Drain Strip Circuits Drain Pump ‡ Vhfrqgv RII ‡ Vhfrqgv RQUlps W\SH Fodpsv Zloo EH Uhsodfhg E\ &ODPS .LW To remove or replace the Drain Pump Drain Diagnostics Dry Cycle Specifications Dry SystemDry Cycle Operation To Remove the Vent Dry Cycle Diagnostics Heating ElementHeater can be removed 2 ways 5HPRYH WKH Grru VHH Grru UHPRYDO Dry Cycle Strip Circuits Tub TCO ± ± Service Control Replacement Page Connectors and Pin Locations Main Board top Main Board bottom Schematics GDF510 GDF520 and GDF540 GDT530 and GDT550 GE Dishwasher Warranty For The Period GE Will Replace One Year