Whirlpool WFC7500VW0 User Manual page 78

PUMP DRIVE SYSTEM ERROR
F26
When the connection between pump and the Central Control
Unit (CCU) is lost during cycle drain
Possible Causes/Procedure
1. Verify CCU operation by running a Quick Diagnostic Test or any cycle.
2. Unplug washer or disconnect power.
3. Check wire harness connections to the pump and Central
Control Unit (CCU).
4. Plug in washer or reconnect power.
MOTOR CONTROL UNIT ERROR
F27
Motor reversing error
Possible Causes/Procedure
1. Verify the shipping system including shipping bolts, spacers and cables are removed.
2. Perform Quick Diagnostic Test.
3. Unplug washer or disconnect power.
4. Check wire harness connections between the drive motor, motor control board, and between the Central Control Unit
(CCU).
MOTOR CONTROL UNIT ERROR
F28
Motor High speed switch error
Possible Causes/Procedure
1. Verify the shipping system including shipping bolts, spacers and cables are removed.
2. Perform motor Quick Diagnostic Test
3. Unplug washer or disconnect power.
4. Check wire harness connections between the drive motor, motor control board, and between the Central Control Unit
(CCU).
DOOR SWITCH ERROR
F29
Door is not detected to be open and close for 3 continuous cycles.
Possible Causes/Procedure
1. Power on the machine, and rotate knob to any cycle position, open the door and then close. Then press start button to
continue to see if the error cleared. If the failure display condition still exists , go to step 2.
2. Run Quick Diagnostics Test to check door lock system.
3. Unplug washer or disconnect power.
4. Check the electrical connections at the side of door switch and the side of CCU, to make sure the connection is correct.
5. Verify if the switch contacts are stuck closed. If closed and the door is open, replace the door switch mechanism.
6. Plug in washer or reconnect power.
7. If the above does not correct the problem, go to step 6
8. Unplug washer or disconnect power
9. Replace door switch
10. Replace CCU
DOOR LOCK BROKEN OR DOOR SWITCH ERROR
F30
If it has been detected that door switch is open while the door is locked f or more than 2 seconds.
Door switch open while door is locked.
1. Push the door and check if it is completely closed.
2. Verify CCU operation by running a Quick Diagnostic Test or any cycle.
3. Verify if the switch contacts are stuck open. If open and the door are closed, replace the door switch mechanism.
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