Question about Whirlpool Duet GHW9150P Front Load Washer

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Trouble code f11 or fdl for whirlpool duet front load wash machine.

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  • Whirlpool Master
  • 19,396 Answers

Hi.

FDL is door lock. This is the first part to be tested, since it can be symptom of a wiring problem.

The door lock is tested by reading impedance on the door latch contacts.
If the door lock is OK, do the following troubleshooting for F11. The problem is usually CCU.

F11 is communication error between CCU (main control unit) and MCU (motor control unit - additional control module connected to motor and to CCU, located in a sealed box inside the washer).

This usually means that either CCU or MCU is defective. In some case the connectors or the wiring harness connecting the two modules is the problem.

The tech sheet says:

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

The wiring harness is tested using a multimeter to ensure that there is continuity between the MCU and CCU connectors. If a single wire is good it will read zero Ohms (closed) from contact to contact.
Motor is tested reading Ohms, it must be read about 6 Ohms on three different pairs of contacts.
Drive system in motor is checked observing if any of the parts are broken.
MCU and CCU are tested reading volts during operation and testing at component level. The testing must be done by a tech. Check CCU to see if there is any sign of failure (eg burnt spots).

Most of the time the problem is CCU. Trick to repair it include testing and eventually reheating the solder joint of the two on-board relays, cleaning connector contacts with circuit cleaner solution. This in case that the problem is CCU.

Disconnect the unit from power for five minutes as first test. This will reset CCU.

Posted on Feb 22, 2011

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Posted on Jan 02, 2017

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  • Jan 30, 2016 | Dryers

    Tip

    Fix your F11 FDL error forever.....


    STOP the insanity....that's what you're saying if you encounter the F11 and/or fDL error codes on your washer. If you're not there yet, you will be soon....
    The dreaded F11 and/or fDL codes - been there done ALL that!! Our Whirlpool DUET washer is just over 5 years. We experienced our first F11 code 6 months ago (warranty just expired what else is new?). When it first happened, I thought nothing of it - hit the cancel button and the machine reset itself. Then it happened again and again and again. Each time it happened it was more challenging to reset it. I searched for the fix on line - I should have done my research before we purchased the washer.
    I was able to determine the error was stemming from the CCU board. Order a new one at over $300.00 and have the same thing happen again - I don't think so. We tried EVERYTHING suggested on multiple websites.....unplugging the washer, hitting the right upper side, checking wires, wiggling the wires, wedging things to improve contacts, soldering, re-soldering, Vaseline, changed relays....anything and everything was a temporary fix. Contact Whirlpool directly? Tried that too, they apparently don't recognize there is an issue with F11 fDL errors, "not a commonly called in concern". Really?? We started searching washers to purchase....I couldn't bare spending $$$ for another washer, but we are a busy active family with 4 kids - what are our options? Then one night after searching the websites for one last desperate attempt at salvaging our washer, I followed through on a link:
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    email: selling.surplus@gmail.com

    Now, I'm the biggest sceptic in the world and the most frugal consumer - really I am. I am posting my testament to this service because I've been there - frustrated, disappointed, angry. I am so pleased with the service Ed provided - from answering all my questions, to the superb job he did on the CCU. You can review all the comments posted by all his other pleased customers on eBay. I had to stand by my washer for the first 6 loads - just in case the beep beep beeps started. To my astonishment, amazement, and surprise - it never happened!! In my opinion, this is the only true fix for your F11/Fdl error!!
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    on May 14, 2010 | Whirlpool Duet GHW9150P Front Load Washer

    2 Answers

    I have an F11 code on my kenmore front load washing machine


    After years of suffering from random F11 that became a permanent F11, I did the repair as in the video and all is good for 2 years. No more F11. About one load a day (we have kids!)

    Aug 22, 2014 | Kenmore HE2 Plus Front Load Washer

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    Whirlpool Duet washer showing code F11?


    Hi,

    The F11 code is a loss of communication between the CCU circuit board and the MCU circuit board. (CCU Central Control Unit, MCU Motor Control Unit) The most probable cause is bad solder joints on the CCU circuit board (also known as cold solder joints). This condition is also noted for causing a FdL code (door lock) The cure is to remove the CCU (inside machine, top, back, plastic case) remove the plastic case then the circuit board, it's easier that way. Then touch-up the large solder joints holding the spade connectors and the relays (5 of them). If you're not up on soldering techniques, you could take the CCU and this response to a good appliance repair shop and they should be able to help you out. Good luck.

    Apr 05, 2011 | Whirlpool Duet GHW9150P Front Load Washer

    1 Answer

    My washer is saying F11 what does that mean?


    FdL code is the door lock code. The machine is unable to lock the door. The problem is in the circuit board located on inside top of the machine.

    Nov 21, 2010 | Whirlpool Duet GHW9150P Front Load Washer

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    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

    The washer beeps and flases f dl


    it probably flashes also f11....to correct that problem , you must replace CCU board (upper board) and latch assembly...

    F11: CCU board
    FDL: latch problem

    Jul 03, 2009 | Whirlpool Duet GHW9150P Front Load Washer

    2 Answers

    NEW CCU for Whirlpool Washer


    I found this site, they actually repair the CCU for you. Mainly for the F11 Error Code. I see on the site that they have repaired 95 of them with 100% feedback.
    http://cgi.ebay.com/Whirlpool-Duet-Kenmore-HE3T-CCU-Repair-For-F11-FDL-Code_W0QQitemZ230397337074QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item35a4c05df2#ht_2034wt_1165

    Apr 09, 2009 | Whirlpool Duet GHW9150P Front Load Washer

    1 Answer

    F11


    these error codes are not specific FDL can mean door latch failure .it can also mean the ccu board has failed also F11 can mean mean anything from motor to motor control board to ccu board to wiring harness connecting ccu to mcu to motor. if you do not know how to diagnose with out error code you may end up buying wrong part. sometimes doorlatch is not problem central control board CCU is

    Feb 11, 2009 | Whirlpool Duet GHW9150P Front Load Washer

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