Whirlpool MFW 9700S, MFW 9600S manual Drum will

Page 82

			POSSIBLE CAUSE/TEST
PROBLEM
PROBLEM		NOTE: Possible Cause/Tests must be performed in the sequence shown for

		each problem



		1.	Verify the unit is level.
		2.	Verify dispenser drawer is not clogged with detergent.
		3.	Check water connections to the unit and within the unit. Check for plugged
			screen in water source.
WILL NOT DISPENSE		4.	Check dispenser motor.
		5.	Unplug washer or disconnect power.
		6.	Check harness connections.
		7.	Plug in washer or reconnect power.
		8.	Verify CCU operation by running a Diagnostic test or any cycle.

		1.	Check installation. Verify hot and cold water faucets are open.
		2.	Check inlet valves.
		3.	Check water connections to the unit and within the unit. Make sure water supply
			hoses are unobstructed. Check for plugged screen.
WILL NOT FILL		4.	Plug in washer or reconnect power.
		5.	Check operating pressure switch.
		6.	Check drain pump motor.
		7.	Verify CCU operation by running a Diagnostic test or any cycle.
		8.	Check under problem “Will Not Dispense.”

		1.	Verify the unit is level.
		2.	Check pump drain system. This could indicate a failure to drain.
OVER FILLS		3.	Check operating pressure switch.
OVER FILLS		4.	Check pressure switch hose.
		4.	Check pressure switch hose.
		5.	Verify flow meter operation by blowing air though the part and measuring the
			resistance.
		6.	Verify CCU operation by running a Diagnostic test or any cycle.

		1.	Check drive belt.
		2.	Check drive motor.
DRUM WILL		3.	Unplug washer or disconnect power.
NOT ROTATE		4.	Check wire harness connections.
		5.	Plug in washer or reconnect power.
		6.	Check the MCU by looking for operations of the drive motor.

		1.	Check drive motor.
		2.	Unplug washer or disconnect power.
MOTOR		3.	Check wire harness connections.
OVERHEATS		4.	Check drive belt.
		5.	Plug in washer or reconnect power.
		6.	Check the MCU by looking for operations of the drive motor.

6-12

Image 82

Contents Epic Forward Goals and ObjectivesTable of Contents Wiring Diagram Safety First GeneralModel Number Model & Serial Number DesignationsSerial Number Model & Serial Number Label Tech Sheet Locations Specifications Maytag Corporation Major Appliance Warranty Page 1234566541728919243 7937226757947867 93278675445627 75445627834473#678#87968258928 $4487968258928Electrician+ 1233456768479346724 2273$%&%*$% ,&## 2$&+1234546#2&%2$!#2 &-.0$$+&. /+2+$ &+&+$&#0 7878 388787 #$%2&&8$87Theory of Operation AIR Vent System Pressure Switch Motor Control Unit MCU TOUCHPAD/LED AssemblyCentral Control Unit CCU Drive MotorECO Valve Pump MotorSuspension System Door LOCK/SWITCH Assembly Heating Element Temperature SensorInterlock Switches 971771997 7271792869795947679476 42OFF56789797797998234567896358769795947 34628697959476794712345678938294587 Modifier6.7667656778667675694878594587 682 123455367892234563789345647 7397826739868934345$747 #5&61234567 Sturdy colorfast fabrics12345678935 888 88#$89777 8977897779 77 7#83783 Ordisconnect83783power### 35263 123456376468with liquid detergent64326%9894 %241234567 35 37 5 67 8312345674674 9728879Component Access Component LocationsRemoving the Console and the Touchpad / LED Assembly To remove the consoleTo remove the touchpad / LED assem- bly Door Lock/Switch Assembly Bellows Retaining Wire To remove the front panel and bellows To remove the door lock/switch as- semblyOn the next Remove the end of the dispenser tube from the bellows Removing the Flowmeter Removing the Detergent Dispenser Motor & Assembly To remove the detergent dispenser motorTo remove the detergent dispenser as- sembly Removing the Inlet Valves Removing the Central Control Unit Removing the Interference Filter Removing the Pressure Switch Removing the Motor Controller Wire Standoff To remove the temperature sensor Removing the Temperature Sensor Heating ElementTo remove the heating element Removing the Drain Pump Assembly Removing the Airtrap Removing AN Interlock Switch Rotate Switch Up Switch Holder Locking Tabs Removing the Drive Motor Pivot Stud Removing the TUB and Basket Assembly Align Tabs With Slots Support Weight While Removing Front Slot Front Holes Rear Half Of Tub Basket Front Half Of Tub Reassembly Notes Page Component Testing Water Level Setting Test PointsMotor & Switch Detergent DispenserTo test the door lock main switches To test the door switchTo test the door lock/unlock solenoids Drain Pump Motor Interference FilterTemperature Results Interlock Switch Diagnostic Guide DiagnosticsElectrostatic Discharge ESD Sensitive Electronics FAILURE/ERROR Display Codes Display Explanation and Recommended ProcedureLong Drain Motor Control Unit Error Dispenser Circuit Error CCU / Touchpad / LED Assembly Error Sud Starting the Test Mode Diagnostic TestTest Program Control Motor Continuity Test Water Temperature SensorManually Unlocking Door Lock System To reassemble CCU To remove the touchpad/LED assemblyTo remove Central Control Unit CCU To remove Motor Control Unit MCUTroubleshooting Chart ProblemDrum will Incorrect Page Wiring Diagram Page Product Specifications Warranty Information Sources United States