Question about Whirlpool Duet Sport HT WFW8400TE Washer

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What does f-28 mean? - Whirlpool Duet Sport HT WFW8400TE Washer

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  • suellencarne Oct 17, 2010

    I tried all of above. Add a garment flashes, everything lights up as usual, but machine does not open and does not run. Unplugged it aalso and no go. Any ideas?



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F28 Error Whirlpool washer.
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.

Posted on Oct 17, 2010


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