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Whirlpool duet model #GHW9400PWO shows error code F11 each time the wash cycle begins.

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I have read many posts for this problem and I have my own solution. I interface computers to real world aplications and when I saw the control board for this washer I was appalled at what I saw. The tiny relays on that control board are rated for 10 or 16 amps. These are fine if you are only driving small devices but they cannot take the startup currents and back EMF of solenoids and motors. I have tried filing the contacts and resoldering edge connectors all to fail to solve the problem. So, I replaced 2 relays involved in the most critical operations. One was the small relay (K4) that activates the door lock/unlock solenoids. BUT instead of simply replacing the relay, I rewired the harness and added an industrial relay to do the heavy work of actuating the solenoids. I also replaced the main relay (K6). This relay is what the entire machine uses for all motors, solenoids and other relays depend on to operate. Here again, I diverted where the power goes to. The power that normally passes through K6 is now just used to operate an industrial rated relay.
I used original relays for the control board due to the fact that the electronics on that board were intended to only operate tiny relays. I simply diverted the power to drive larger relays. This was no easy task and it is not to be performed by anyone other than an expert in this field. I have a number of photographs and I am willing to share them with anyone who wishes to see what I did.
I would bet that very few of these control boards have actuall gone bad. Only the relay contacts have been slightly scorched to the point of intermittent reliability.

Posted on Apr 03, 2009

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"F11" is a Serial Communications error between the Central Control Unit (CCU) and the Motor Control Unit (MCU), or the interconnecting wiring. If you remove the bottom panel under the door, there should be a tech sheet inside that explains all the error codes and how to troubleshoot them. The sheet will be located directly behind the panel, or mounted to one of the interior cabinet walls. It is recommended that you leave it inside the washer, so it does not get lost. If you cannot find the tech sheet, post back and I can give you guidance.

More commonly, the CCU has failed. A replacement can be found at repairclinic.com. Just type in your model number in the Search Menu. Searspartsdirect.com also carries it, but at a higher price. I mention the second website, because they have information drawings to aid in troubleshooting. I hope you find this information helpful.

Post back if you need further assistance.

Posted on May 11, 2008

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WHAT MEANS ERROR CODE FOR MY DRYER MACHINE F11?


Communications error.

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  • Jan 30, 2016 | Dryers

    1 Answer

    Cycle will not spin and drain properly near end of cycle. Keep getting F11 fail codes when I try resetting my kenmore elite HE 3t any suggestions?


    Hi Shaun, I just found (and watched!) a good youtube video which may help with your problem regarding the F11 code, link follows below.
    Trust this helps, best regards Alan
    Troubleshooting and Repairing the F11 Error Code in Whirlpool Duet Washer

    Feb 12, 2015 | Kenmore Washing Machines

    1 Answer

    Whirlpool Duet Sport Model WFW8300SW0 basket won't


    The following list of codes indicates an electronics communication problem with the washer: - Duet HT washer - F01, F03, F06, F11, F23, F24, F27, F28, F29, F30, F31, F32, F35, F42, F61, F62, F63, F64, F65, F70, F71, and F99

    If Pause/Cancel does not work:
    1. Unplug washer or disconnect power for one minute.
    2. Plug in washer or reconnect power.
    3. Re-select the cycle and press Start.
    NOTE: If the error remains on the display, call for service.

    I would first replace the door latch/lock assembly, a number of users have and it fixed the F-11 error code completely. Its the cheapest part for this problem.

    Hope helps.

    Jun 27, 2011 | Whirlpool Duet Sport HT WFW8400TE Washer

    2 Answers

    I keeg getting the dreaded F11 anf DL code!


    Hi,
    The following list of codes indicates an electronics communication problem with the washer:

    Duet HT® washer - F01, F03, F06, F11, F23, F24, F27, F28, F29, F30, F31, F32, F35, F42, F61, F62, F63, F64, F65, F70, F71, and F99
    Duet® washer - F05, F07, F09, F10, F11, F13, F14, F15, F21, F22, and FdU
    Duet SportTM washer - F01, F11, F23, F24, F27, F28, F29, F30, F31, and F33
    PLACEHOLDER FOR ART
    To remove the error display, press Pause/Cancel twice.
    If Pause/Cancel does not work:
    1. Unplug washer or disconnect power for one minute.
    2. Plug in washer or reconnect power.
    3. Re-select the cycle and press Start.
    NOTE: If the error remains on the display, then call for service.

    Take care

    Jun 22, 2010 | Whirlpool GHW9400 Front Load Washer

    1 Answer

    F11 Code Showing


    F11 is:
    Serial Communication Error
    Communication between the Central Control Unit (CCU) and the Motor Control Unit (MCU) cannot be sent correctly.

    Check for:
    Check Wire Harness connectors to the MCU, the motor, and Central Control Unit (CCU)
    Check the Drive system for any worn or failed components
    Check MCU
    Check CCU
    Check Motor
    Check Wire Harness

    http://www.fixya.com/support/r666194-f11_error_whirpool_duet_kenmore_elite

    Check the above link for a detailed article about the f11 error code.

    Courtesy:JSrock

    Mar 28, 2010 | Whirlpool Duet GHW9150P Front Load Washer

    3 Answers

    Hi. Whirlpool washer (Duet front load) GETS F11 error code. Any ideas as to the cause and repair?


    Pull off bottom panel, there should be a schematic and trouble shooting guide to help you through any questions about you fault code.

    Jan 14, 2010 | Whirlpool Duet GHW9150P Front Load Washer

    1 Answer

    Error Code F11


    TRY UNPLUGING IT FOR A MIN OR TWO. I THINK F11 IS A CONTROL MODULE. CALL A TECH

    Oct 28, 2009 | Whirlpool Duet GHW9150P Front Load Washer

    2 Answers

    Error code f35 on my washer


    The following list of codes indicates an electronics communication problem with the washer:
    Duet HT® washer - F01, F03, F06, F11, F23, F24, F27, F28, F29, F30, F31, F32, F35, F42, F61, F62, F63, F64, F65, F70, F71, and F99
    Duet® washer - F05, F07, F09, F10, F11, F13, F14, F15, F21, F22, and FdU
    Duet SportTM washer - F01, F11, F23, F24, F27, F28, F29, F30, F31, and F33

    To remove the error display, press Pause/Cancel twice.

    If Pause/Cancel does not work:
    1. Unplug washer or disconnect power for one minute.
    2. Plug in washer or reconnect power.
    3. Re-select the cycle and press Start.
    NOTE: If the error remains on the display, call for service.

    Dec 19, 2008 | Whirlpool Duet GHW9150P Front Load Washer

    1 Answer

    Whirlpool duet wahsher


    The following list of codes indicates an electronics communication problem with the washer:
    Duet HT® washer - F01, F03, F06, F11, F23, F24, F27, F28, F29, F30, F31, F32, F35, F42, F61, F62, F63, F64, F65, F70, F71, and F99
    Duet® washer - F05, F07, F09, F10, F11, F13, F14, F15, F21, F22, and FdU
    Duet SportTM washer - F01, F11, F23, F24, F27, F28, F29, F30, F31, and F33
    PLACEHOLDER FOR ART
    To remove the error display, press Pause/Cancel twice.
    If Pause/Cancel does not work:
    1. Unplug washer or disconnect power for one minute.
    2. Plug in washer or reconnect power.
    3. Re-select the cycle and press Start.
    NOTE: If the error remains on the display, then call for service.

    please do not forget to rate and comment about your experience with fixya today.

    Aug 18, 2008 | Whirlpool Washing Machines

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