GE GDF510PxJ Series Technical Service Manual

Contents

GE GDF510PxJ Series Technical Service Manual Manual pdf 44 page image

– 44 –UI DiagnosticsNo display or LED’s will light (excluding modelGDF510)1. Check for 120 VAC entering the main control. Ifno volts are found, check the home breaker.2. Check the Service LED on the main control for aÀDVKSDWWHUQ8VHWKHWDEOHEHORZWRWUDQVODWHand repair (using the Service LED as a reliablediagnostic tool).Blink Pattern Meaning1x per 3 seconds Dishwasher in not running acycle, select a cycle and pressStart.2x per 3 seconds Dishwasher is in Delay Startand waiting to start a cycle.The cycle will begin once thedelay expires.3x per 3 seconds Dishwasher is running a cycle.4x per 3 seconds Dishwasher is paused, closethe door and press Start toresume the cycle.5x per 3 seconds Dishwasher has completed acycle and the Clean Light is on(door has not been opened).6x per 3 seconds Dishwasher is in Demo Mode.To exit Demo Mode, press andhold Start and Heated Dry for5 seconds.7X per 3 seconds Current Sense Module istripped. See the CSM section ofthis guide.1x per second Communications lost betweencontrol boards. Checkconnections, replace UI or MCas needed.Flashing rapidly(4x per second)Software error, replace MC.6WHDG\RȺ Dishwasher is not powered,check supply voltage, replaceMC as needed.Steady On UI personality not set,communications lost betweenUI and MC.3. Attempt to enter Consumer Error Mode. If LED’slight, the CSM is tripped. Consult On the MainControl Board CSM section of this service guideto diagnose and repair.4. Check the door harness connections.5. For all models except GDF510J, the UIoperational voltage is output from the maincontrol on connector J722 pin 2 black/green topin 5 yellow/black. If 13.5 VDC is not found here,then replace the main control.UI operational voltage is input at the UI control onconnector J401 pin 1 black/green to pin 2 yellow/blue. If voltage is not found here, but was foundin the previous step, check and replace the doorharness (if needed). If 13.5 VDC is found and thecontrol does not function in consumer error mode,replace the UI.Main Control 13.5 VDC #2 Black/Greento #5 Yellow/Blue13.5 VDC #1 Black/Greento #2 Yellow/Blue