Question about Whirlpool Duet GHW9150P Front Load Washer

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Random electrical problems, sometimes it works beautifully, sometimes not!

The last two loads went thru the washer perfectly. The 3rd load started just fine, but then the F11 and Fdl codes showed up. When I hit the "Pause" button to begin restart, restart has already begun. I know this because the relay clicking to lock the door begins immediately, goes 6 times and then the Fdl code showes. When I started the cycle, the door lock worked fine, the door lock light came on, but for some reason during the cycle, about 33 min into a 40 min wash cycle, the door lock light went off and the F11 & Fdl codes come on. When I push the Pause button the clicking of the relay immediately begins without pushing the Restart button. I have an ohm meter and have checked the various door lock switches and they seem fine. These intermitent electrical problems are driving me nuts!! Fortunately I didn't get rid of our old Kenmore toploader of 20 years, and I learned how to open the Whirlpool door.

I have one wire diagram of the CCU but would like to have all the wire diagrams in the machine. Can you give me a link to download these?

When this machine runs it does a beautiful job, so I would like to keep it.

Posted by on

  • DFSmitty66 Feb 13, 2008

    Master_Tech - I checked all of the above as you suggested with the same result. I took the plactic top off of the CCU to tap the K4 relay as it clicked. The first time I did this there was a small flash within the plastic case of the relay, the door locked and the self-analysis started and ran till it reached C07, where it stopped and an F11 code appeared. I don't know if the flashing of contacts within the K4 relay is natural or not. I do know there is a small arc when contacts close, but maybe not as vivid as what I saw. Also, when the F11 code that was the failure of MCU correspondence. I need to check that out more. Thanks for your help.


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  • 770 Answers

F11 = Communication between the Central Control Unit (CCU) and the
Motor Control Unit (MCU) cannot be sent correctly.
1. Unplug washer or disconnect power.
2. Check wire harness connections to the MCU, the motor, and
Central Control Unit (CCU).
3. Check the drive system for any worn or failed components.
4. Plug in washer or reconnect power.
5. Verify CCU operation by running a Diagnostic test or any
6. Check the MCU by looking for operations of the drive motor.
7. Check the drive motor for powered rotations.
8. Check that the serial harness at the MCU is not mounted
upside down. The wires should be to the left when facing the
MCU connectors.

A Door Lock Error occurs if the door cannot be locked. It will try to lock
it six times before displaying the error code.
Le code d’erreur “Verrouillage porte” apparaît s’il n’est pas possible de verrouiller la
porte. Le système effectue six tentatives de verrouillage avant d’afficher le code d’erreur.
■ Door lock mechanism is broken or removed from door.
■ Door switch/lock unit failure.
1. Unplug washer or disconnect power.
2. Check door switch/lock unit.
3. Check the wire harness connections to the door
switch/lock unit and Central Control Unit (CCU).

Posted on Feb 12, 2008

  • Gary Davd
    Gary Davd Feb 12, 2008

    Any luck with the unit?


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