Question about Kenmore 3.8 cu. ft. HE3 Front Load Washer

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Kemore he3 showing f28

My kenmore he 3 will fill with a little bit of water, than seems to do nothing, and the display will show f 28. Does anyone know what this problem is?

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F28 is a serial bus error from the CCU (Central Control Unit) to the MCU (Motor Control Unit).

All you need is some Electronics contact cleaner spray and a 1/4 inch socket to remove the top of the machine and the back of the machine.
The CCU is the computer looking box at the top front right hand corner.
Find connector M13, (has red marking on it and only 3 wires) disconnect it by pushing the retainer tab back and pulling gently on the connector.
Spray the contacts of the connector and computer with connector cleaner.
Then re-assemble connector.
The MCU is in the back lower left corner.
Find the connector with 3 wires and red mark, and remove this connector in the same way you did the other, spray it and re-install.
Put the back and top back on.

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Posted on Sep 14, 2010

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