Whirlpool GVW9959K-0 manual Troubleshooting and Diagnosis, Section Four, Troubleshooting Chart

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SECTION FOUR

TROUBLESHOOTING AND DIAGNOSIS

TROUBLESHOOTING CHART

	PROBLEM	POSSIBLE CAUSE	SOLUTION
	Won’t Power Up	120VAC electrical supply.	Check voltage supply to washer.

		Open AC cord.	Check for voltage at the power cord con-
			nection to the line filter.

		Line filter open.	Check voltage into and out of line filter.

		Machine control board open.	With the washer off but connected to the
			AC outlet, measure the AC voltage be-
			tween Pins 4 and 2 at connector P16.

	Won’t Start Cycle	Lid Switch failure.	If “LS” is flashing, open and close lid to
			clear fault code and restart cycle. Check
			lid switch for contacts opening/closing.

		Loose harness connections at	Check harness connections.
		control board(s).

		“Start” touchpad failure.	Check touchpad for continuity.

	Control Won’t Accept	Touch Pad failure.	Check touchpad(s) for continuity.
	Commands
	Commands	Loose harness connections.	Check touchpad ribbon connections to
		Loose harness connections.	Check touchpad ribbon connections to
			machine control board.

	Won’t Shut OFF	STOP/CANCEL touchpad open.	Check touchpad for continuity.

		Lid Switch failure.	Check Lid Switch contacts for open/
			closing.

	Won’t Dispense	Dispenser valve solenoid open.	Check dispenser valve solenoid for con-
			tinuity.
		Wiring connections loose/broken.	Check wiring connections at machine
			control and log valve.
		Water supply off or hose	Check water supply and hose connec-
		connections within unit plugged or	tions within washer.
		disconnected.

	AM Radio or TV	Shield capacitor open.	Replace lower wiring harness.
	Interference

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Contents Page Introduction Table of Contents Model Number Designator Model Number G V W 9 9 5 9 K Q SafetyMODEL/SERIAL Number Plate Serial Number Designator For a permanently connected washer InstallationConsiderations Section ONETools needed Parts Supplied DrainSystem ConnectingtheDrainHose InstallationChecklist Use&CareInformation Control Panel Theory of OperationSection TWO NutationSoil Level Operational Cycle Default Wash and SpinOption Descriptions Whitest Whites Water TempAssured Water Temp ATC ThresholdsAdditional Options End of Cycle SignalDrive Motor Machine ControllerMotor Controller Leveler Peekaboo ModeUniversal Joint Shield Capacitor Interlock SwitchesDrive System OPR FLD Pressure SwitchesLOG Valve Assembly Recirculation Recirculation and DrainWater Pump/Pump Motor Outer TubChanging Options after pressing Start DrainChanging Cycles and Options Changing Cycles after pressing StartOperational Cycle Notes Drive Motor Notes Pump Drive Description Water Description Water Pump Drive Duration Description Water Pump Drive Pump Drive Description Action Speed Pump Drive Description Delicate/Casual SPIN+RECIRC+FILL Wash Detergent PS Controlled Recirc Spin Garments are labelled Hand Wash because HandwashExtend Spin Cycle Soak CycleExtra Rinse Rinse & Spin When to use Rinse & SpinTo use or change Rinse & Spin settings Suds Lock Detection/CleanoutComponent Location Component AccessSpecial TOOLS/PARTS Required for Service Section ThreeElectrostatic Discharge ESD Sensitive Electronics Accessing Components in the ConsoleRemoving the Motor Control Board Removing the ConsoleRemoving Console Components Removing the Machine Control BoardRemoving the Log Valve Assembly Removing the Pressure SwitchesRaising the Washer Top to the Service Position Accessing Components Beneath the Washer TOPKet. Fig Removing Components in the Tub18b Reassembling Tub ComponentsTab Removing the Front Cabinet Panel Accessing Components Beneath the TUBComponents Accessible with Front Cabinet Panel Removed Motor mounting bracket to the motor plate Servicing Components from the Bottom of the WasherRemoving the Drive Motor Removing the Thrust Plate32 shows all the components of the thrust plate assembly Removing the Brake Assembly/Nutate ShaftReplacing the Outer Tub Removing the Pump and Pump MotorReplacing the Capacitor Section Four Troubleshooting and DiagnosisTroubleshooting Chart Motor Overheats OverfillsWon’t Nutate Won’t SpinIncorrect Water TemperatureWon’t Drain Washer VibratingLoad is Wrinkled Power FailureProcessor Reset ErrorLimit Lid Switch ErrorLong Drain Average CurrentSuds Lock Self Diagnostic RoutinesAutomatic Service Diagnostics Mode Open LidRunning Nutate or Spin Manual Diagnostic ModePressSOAK Cycle Signal Soak Cycle Signal Nutate and Recirculate Test Pump Drain/RecirculationWater Inlet and Dispenser VALVE, Operating PS Test If a single LED does not light up Console Switches and Indicators TestIf none of the LEDs light up If a particular group of LEDs does not light upChecking Touchpad Functioning KEY Switch MatrixChecking Drive and Pump Motor Continuity Sales Demo ModeWater Inlet and Dispenser Solenoid Test Troubleshooting Tests120VAC Electrical Supply Motor Controller Motor and Motor Control System TestMachine Control Relay If the fill valves are working properly Automatic Temperature Control TestDrive Motor and Wiring Harness Drain/Recirculation Test Operating and Over Fill Pressure Switch TestPage Page Section Five Wiring DiagramTech Tips Warranty Information Component Resistance ChartUnited States Rprt