Whirlpool MFW 9700S, MFW 9600S manual CCU / Touchpad / LED Assembly Error

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DISPLAY			EXPLANATION AND RECOMMENDED PROCEDURE

F/21		CCU / TOUCHPAD / LED ASSEMBLY ERROR
F/21
F/22		This error occurs if the touchpad/LED assembly is not able to transmit/receive data to/from
		the central control unit (CCU).

		Possible Causes / Procedure
		1.	Check the touchpad/LED assembly by selecting different cycles and changing the
			modifiers and options available to confirm the touchpad/LED is responding.
		2.	Unplug washer or disconnect power.
		3.	Check wire harness connections to the touchpad/LED assembly and Central Control
			Unit (CCU).

		DOOR UNLOCK ERROR

		A Door Unlock Error occurs if the door cannot be unlocked. It will try to unlock the door six
		times before displaying the error code.
F/dU
F/dU		Possible Causes / Procedure
		•	Door lock mechanism is broken.
		•	Door switch/lock unit failure.
		1.	Check door switch/lock unit for foreign objects.
		2.	Unplug washer or disconnect power.
		3.	Check wire harness connections to the door switch/lock unit and Central Control Unit
			(CCU).
		NOTE: The door switch/lock unit can be manually unlocked. See “Manually Unlocking The
		Door Lock System”.

		DOOR LOCK ERROR

		A Door Lock Error occurs if the door cannot be locked. It will try to lock it six times before
		displaying the error code.
F/dL
F/dL		Possible Causes / Procedure
		Possible Causes / Procedure
		•	Door lock mechanism is broken or removed from door.
		•	Door switch/lock unit failure.
		1.	Unplug washer or disconnect power.
		2.	Check door switch/lock unit.
		3.	Check the wire harness connections to the door switch/lock unit and Central Control
			Unit (CCU).

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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 793729327 867544562726757947867 75445627834473#678#87968258928 $4487968258928Electrician+ 1233456768479346724 2273$%&%*$% ,&## 2$&+1234546#2&%2$!#2 &-.0$$+&. /+2+$ &+&+$&#0 388 7877878 #$%2&&8$87Theory of Operation AIR Vent System Pressure Switch TOUCHPAD/LED Assembly Central Control Unit CCUMotor Control Unit MCU Drive MotorECO Valve Pump MotorSuspension System Door LOCK/SWITCH Assembly Heating Element Temperature SensorInterlock Switches 971771997 7271742OFF5678979779799 823456789635876979594792869795947679476 34628697959476794712345678938294587 Modifier6.7667656778667675694878594587 123455367892234563789 345647682 7397826739868934345$747 #5&61234567 Sturdy colorfast fabrics12345678935 888 88#$8977 89777989777 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 remove the touchpad/LED assembly To remove Central Control Unit CCUTo reassemble CCU To remove Motor Control Unit MCUTroubleshooting Chart ProblemDrum will Incorrect Page Wiring Diagram Page Product Specifications Warranty Information Sources United States