Whirlpool MFW 9600S, MFW 9700S manual Sud

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DISPLAY

EXPLANATION AND RECOMMENDED PROCEDURE

 

 

 

 

SUDS LOCK (OVERDOSE OF DETERGENT DETECTED DURING THE WASH CYCLE)

 

 

 

 

 

The Motor Control Unit senses a suds lock condition by analyzing the current draw on the

 

 

drive motor. If “Sud ”is displayed a potential Suds Lock is detected. This may signify a bad

 

 

pump, an extra heavy load, excessive detergent, or excessive suds.

 

 

 

 

 

Possible Causes / Procedure

 

 

If too much detergent was used:

 

 

 

-

Run the unit through a Rinse/Spin cycle.

Sud

-

Run a Normal cycle without adding any detergent.

 

 

 

 

This should clear the unit of the excess detergent.

1.

Check the drain hose and make sure it is not plugged or kinked.

2.

Unplug washer or disconnect power.

3.

Check wire harness connections to the drain pump, pressure switch, and Central

 

 

 

Control Unit (CCU).

4.

Check/clean drain pump filter of foreign objects.

5.

Plug in washer or reconnect power.

6.

Check drain pump.

7.

Check the pressure switch.

8.

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

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Contents Epic Goals and Objectives ForwardTable of Contents Wiring Diagram General Safety FirstSerial Number Model & Serial Number DesignationsModel 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 MotorSuspension System Pump MotorECO Valve Interlock Switches Heating Element Temperature SensorDoor LOCK/SWITCH Assembly 72717 9717719978234567896358769795947 42OFF567897977979992869795947679476 3462869795947679475694878594587 Modifier6.76676567786676712345678938294587 345647 123455367892234563789682 7397826739868934345#5&6 $747Sturdy colorfast fabrics 123456712345678935 88#$ 888897779 897789777 77 7#### Ordisconnect83783power83783 1234567 35 37 5 67 123456376468with liquid detergent64326%9894 %2435263 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 On the next To remove the door lock/switch as- semblyTo remove the front panel and bellows 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 To remove the heating element Removing the Temperature Sensor Heating ElementTo remove the temperature sensor 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 lock/unlock solenoids To test the door switchTo test the door lock main switches Interference Filter Drain Pump MotorTemperature Results Interlock Switch Electrostatic Discharge ESD Sensitive Electronics DiagnosticsDiagnostic Guide Display Explanation and Recommended Procedure FAILURE/ERROR Display CodesLong Drain Motor Control Unit Error Dispenser Circuit Error CCU / Touchpad / LED Assembly Error Sud Test Program Control Diagnostic TestStarting the Test Mode Manually Unlocking Door Lock System Water Temperature SensorMotor Continuity Test 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