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Bryan, Home Appliance Technician
Category: Appliance
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Experience:  15 yrs. experience as a certified appliance technician.
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I have a kenmore front loading washng machine that registers

Resolved Question:

I have a kenmore front loading washng machine that registers a "F28" code and stops spinning.
Steve in Sag Harbor
Submitted: 4 years ago.
Category: Appliance
Expert:  Bryan replied 4 years ago.

F-28

The communication between the Central Control Unit (CCU) and the

Motor Control Unit (MCU) cannot be sent correctly.

Possible Causes/Procedure

Unplug washer or disconnect power.

Check wire harness connections to the MCU, the motor, and Central

Control Unit (CCU).

Check connections of the CCU board within the housing.

Make sure all grounding switches are engaged.

Check the drive system for any worn or failed components.

Plug in washer or reconnect power.

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

Check the MCU by looking for operations of the drive motor.

Check the drive motor for powered rotations.

Check that the serial harness at the MCU is not mounted upside

down. The wires should be to the left when facing the MCU

connectors.

Check doors witch system. (See checklist of F26 and F29). The

doorswitch may cause an interference for the powersupply of the

MCU.

click here for all the diagrams to help you locate the parts,

http://www.searspartsdirect.com/partsdirect/getModel!retrieve.pd?modelNumber=110.47532601&pathTaken=partSearch for testing, thanks Bryan

Customer: replied 4 years ago.
How do I access the wire harness? Is acess at the top of the machine? Is the grounding switch the one that trips when you remove the bottom panel near the pump?
Expert:  Bryan replied 4 years ago.
yes, remove the top and the controls are there. as far as the switch I believe so.
Bryan, Home Appliance Technician
Category: Appliance
Satisfied Customers: 12034
Experience: 15 yrs. experience as a certified appliance technician.
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