Whirlpool MFW 9600S, MFW 9700S manual Troubleshooting Chart, Problem

Page 81

TROUBLESHOOTING CHART

 

 

POSSIBLE CAUSE/TEST

PROBLEM

 

 

NOTE: Possible Cause/Tests must be performed in the sequence shown for each

 

 

problem

 

 

 

 

 

 

 

 

 

 

1.

Check that the unit is plugged into a working outlet and for blown fuses.

 

2.

Check for power going to Central Control Unit (CCU) by listening for a click in

WILL NOT POWER

 

the CCU when unit is plugged in. If no click, replace CCU.

UP

3.

Unplug washer or disconnect power.

Touchpads do not

4.

Check continuity of line cord and line filter.

respond when

5.

Check harness connections to CCU.

pressed

6.

Plug in washer or reconnect power.

 

 

7.

Check the touchpad/LED assembly by selecting different cycles and changing

 

 

the modifiers and options available to confirm the touchpad/LED is responding.

 

 

 

 

1.

Open and close the door. The door has to be opened between consecutive

 

 

wash cycles.

 

2.

Check the door switch/lock unit using the diagnostics (see Diagnostic test).

WILL NOT START

3.

If door is locked, drain the unit.

4.

Unplug washer or disconnect power.

CYCLE

5.

Check the wire harness connections.

 

 

6.

Plug in washer or reconnect power.

 

7.

Check the touchpad/LED assembly by selecting different cycles and changing

 

 

the modifiers and options available to confirm the touchpad/LED is responding.

 

 

 

 

1.

Check for a Fault/Error Code on the display.

 

2.

Press PAUSE/CANCEL button on the touchpad twice.

 

3.

Check the touchpad/LED assembly by selecting different cycles and changing

 

 

the modifiers and options available to confirm the touchpad/LED is responding.

WILL NOT SHUT OFF

4.

Unplug washer or disconnect power.

5.

Check that the drain hose and drain pump filter are clear of foreign objects and

 

 

 

not plugged.

 

6.

Plug in washer or reconnect power.

 

7.

Check drain pump.

 

8.

Verify CCU operation by running a Diagnostic test or any cycle.

 

 

 

 

1.

Press PAUSE/CANCEL button on the touchpad twice.

 

2.

Drain the unit, then check that the drain hose and drain pump filter are clear of

 

 

foreign objects.

CONTROL WILL

3.

Check the touchpad/LED assembly by selecting different cycles and changing

NOT ACCEPT

 

the modifiers and options available to confirm the touchpad/LED is responding.

SELECTIONS

4.

Unplug washer or disconnect power.

 

5.

Check harness connections.

 

6.

Plug in washer or reconnect power.

 

7.

Verify CCU operation by running a Diagnostic test or any cycle.

 

 

 

6-11

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Contents Epic Goals and Objectives ForwardTable of Contents Wiring Diagram General Safety FirstModel & Serial Number Designations Model NumberSerial Number Model & Serial Number Label Tech Sheet Locations Specifications Maytag Corporation Major Appliance Warranty Page 79372 12345665417289192438675445627 932726757947867 75445627834473$4487968258928 #678#87968258928Electrician+ 2273 1233456768479346724$%&%*$% ,&## 2$&+1234546#2&%2$!#2 &-.0$$+&. /+2+$ &+&+$&#0 787 3887878 #$%2&&8$87Theory of Operation AIR Vent System Pressure Switch Central Control Unit CCU TOUCHPAD/LED AssemblyMotor Control Unit MCU Drive MotorPump Motor ECO ValveSuspension System Heating Element Temperature Sensor Door LOCK/SWITCH AssemblyInterlock Switches 72717 9717719978234567896358769795947 42OFF567897977979992869795947679476 346286979594767947Modifier6.766765677866767 123456789382945875694878594587 345647 123455367892234563789682 7397826739868934345#5&6 $747Sturdy colorfast fabrics 123456712345678935 88#$ 888897779 897789777 77 7#Ordisconnect83783power 83783### 123456376468with liquid detergent64326%9894 %24 352631234567 35 37 5 67 9728879 8312345674674Component Locations Component AccessTo remove the console Removing the Console and the Touchpad / LED AssemblyTo remove the touchpad / LED assem- bly Door Lock/Switch Assembly Bellows Retaining Wire To remove the door lock/switch as- sembly To remove the front panel and bellowsOn the next Remove the end of the dispenser tube from the bellows Removing the Flowmeter To remove the detergent dispenser motor Removing the Detergent Dispenser Motor & AssemblyTo 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 Removing the Temperature Sensor Heating Element To remove the temperature sensorTo 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 Water Level Setting Test Points Component TestingDetergent Dispenser Motor & SwitchTo test the door switch To test the door lock main switchesTo test the door lock/unlock solenoids Interference Filter Drain Pump MotorTemperature Results Interlock Switch Diagnostics Diagnostic GuideElectrostatic Discharge ESD Sensitive Electronics Display Explanation and Recommended Procedure FAILURE/ERROR Display CodesLong Drain Motor Control Unit Error Dispenser Circuit Error CCU / Touchpad / LED Assembly Error Sud Diagnostic Test Starting the Test ModeTest Program Control Water Temperature Sensor Motor Continuity TestManually Unlocking Door Lock System To remove Central Control Unit CCU To remove the touchpad/LED assemblyTo reassemble CCU To remove Motor Control Unit MCUProblem Troubleshooting ChartDrum will Incorrect Page Wiring Diagram Page United States Product Specifications Warranty Information Sources