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Thread: Duet Sport F21 code - Pump seems to work fine(Repair Manual link)

  1. #1
    Join Date
    Jul 2007
    Location
    Colorado
    Posts
    1

    Default Duet Sport F21 code - Pump seems to work fine(Repair Manual link)

    I have a 14 month old Duet Sport that has developed a problem which results in a F21 code. The service people changed the mother board but this did not help. The machine seems to work until the water needs to be pumped from the drum. We can hear the pump kick on and run until it cavitates continuously for a long while before finally displaying the f21 code.

    Any suggestions? Whirlpool is not telling us anything of value and have been terrible to work with!

  2. #2
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
    Posts
    67,170

    Default

    Hi,

    We would need the model# of your washer to look-up what that code is.

    The model# is located inside the door.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

  3. #3
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
    Posts
    67,170

    Default

    I found it.

    Here is the official online repair manual for the Whirlpool Duet Sport:
    https://secured.whirlpool.com/Servic...LE/8178558.pdf

    F21 is:
    LONG DRAIN
    If the drain time exceeds 8 minutes the water valves turn off.
    NOTES:
    After 4 minutes the “Sd” error will be displayed, then
    4 minutes later the “F/21” error code will be displayed.
    Press PAUSE/CANCEL two times to clear the display.
    Possible Causes/Procedure
    1. Check the drain hose and make sure it is not plugged or kinked.
    2. Unplug washer or disconnect power.
    3. Check the electrical connections at the pump and make sure the pump is running.
    4. Check the drain pump filter for foreign objects.
    5. Plug in washer or reconnect power.
    6. If the above does not correct the problem, go to step 7.
    7. Unplug washer or disconnect power.
    8. Replace the pump.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

  4. #4
    Join Date
    Jan 2010
    Location
    Hobbs, NM. USA
    Posts
    2

    Default Excellent advice

    Thanks Jake for your advice here. My Duet Sport was throwing the F21 code also. I stumbled through here and followed your advice. The PDF manual was very nice and walked me right through everything I had to do.
    10 minutes later I had the front panel off and the filter cap removed. It's crazy how much junk was down in there. At least I know how to get back in there now. I'll be checking the filter and our kids pants more often for debris.

  5. #5
    Join Date
    Mar 2011
    Location
    Lincolnton
    Posts
    1

    Default

    Would you happen to have the official online repair manual for the Whirlpool WFW9200SQA12.
    I need to see how this thing is put together so I can more easily gain access.

  6. #6
    Join Date
    Aug 2004
    Location
    McMullen Valley, Arizona
    Posts
    67,170

    Default

    Unfortunately I don't have it for your model.

    Jake
    Appliance Repair School 1987-1988
    Star Appliance Tech. 2 yrs. 1988-1990
    Wards Appliance Tech. 11 yrs. 1990-2001
    Sears Appliance Tech. 4 yrs. 2001-Oct. 2005
    Jake's Appliance Repair Nov. 2005-present

    Look-Up & Order Parts

  7. #7
    Join Date
    Mar 2014
    Location
    Bloomfield Hills
    Posts
    3

    Default

    I too have the dreaded F21. Duet Sport ht, Model WFW8400TW02.
    I followed the eight steps listed earlier. So now I have a new pump and pressure switch. The machine worked well for two weeks. Now I have the F21 code showing again. Any suggestions for the newbie are much appreciated.

  8. #8
    Join Date
    Oct 2004
    Location
    Ontario, Canada
    Posts
    12,220

    Default

    Bad new part, kinked hose, clogged somewhere...
    http://www.ez-forums.com/showthread....ip-of-the-week

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

  9. #9
    Join Date
    Mar 2014
    Location
    Bloomfield Hills
    Posts
    3

    Default

    Thanks for the prompt reply.
    Rechecked the hose - fine. The drain and trap were clear. Quite a bit of water (3 cups or so) ran out of the drain, after the machine shut down with 'Sd' and 'F21' error codes.
    I never considered bad replacement parts. Does this sound more like the pump vs. the pressure switch?

  10. #10
    Join Date
    Oct 2004
    Location
    Ontario, Canada
    Posts
    12,220

    Default

    Make sure HE soap is being used, no soap retention in the clothes ( wash clothing without soap to ensure no soap is left in the fabric ) and try another pump would be a good idea.

    jeff.
    http://www.applianceaid.com/
    Appliance Repair Aid

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