Question about Kenmore Elite 45986 Front Load Washer

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F28 same thing

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This code is not good news, I'm afraid. The F28 code on the Kenmore Elite can indicate a problem with one of the control boards. The problem is that it's nearly impossible to tell which board....so you can see the delimma. The wiring harnesses are prone to loose/intermittent connections, so you can try unplugging and reseating the electrical connections (disconnect power from machine first) and see if that will clear up the problem. Pay particular attention to the connection at the motor control board. If reseating the connections does not clear up the problem, I would suggest contacting the manufacturer. There has been some history of problems with the control boards and wiring harnesses in these machines and the manufacturer might work with you, but I make no guarantees. I would also recommend contacting an appliance service technician for assistance if the unplugging/reseating thing doesn't work out. I am really sorry for your trouble and I hope this helped somewhat. Best wishes.

Posted on Sep 09, 2009

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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 11, 2010

  • dominic_c Jan 09, 2011

    Awesome!!! Back to washing clothes. Used contact cleaner and a cotton cleaning patch to clean both ends of the serial bus cable. Ran the washer through a cleaning cycle and then washed a load. Will reassemble and keep my fingers crossed. Thank you so much for saving me so much money! Don in Washington.

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