Question about Kenmore Elite 45986 Front Load Washer

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F11 Code Error

Checked all connections, replaced CCU, still giving us F11 Code Ereror

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Hi. this is a Serial communication error

This will occur when the Communication between the Central Control Unit (CCU) and the Motor Control Unit (MCU) cannot be sent correctly.

Potential Causes

• Check Wire Harness connections 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


Most cases, it will be a fualty wiring harness


Posted on Jul 13, 2009

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1 Answer

What might be causing the intermittent F-11 codes on a Kenmore Smartwash front loading washer?


f11 error is communication error.most likely bad solder joints in ccu or mcu.

May 08, 2017 | Kenmore Washing Machines

1 Answer

My Whirlpool GHW9100L was tripping out with a F11 error during the rinse/spin cycle as the unit was ramping up to spin speed with a small load in the wash bin. I reset the unit several times after...


Hi.

In your case the problem is more likely a worn connector or a defective board.

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.

Dec 15, 2010 | Whirlpool GHW9100L Front Load Washer

1 Answer

Washer displays an F11 error code. I replaced the MCU but still the F11 code. Wire harness is good.


Hi.

It is probably the CCU (main control). Wiring harness, motor and drive train must be checked before replacing the CCU.

Here full troubleshooting for F11.

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.

Nov 21, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

Washer is giving an error message 11 F


DL is a door lock error. This is usually an indication of a bad door latch. F11 is a serial communications error from the Central Control Unit CCU (which is your main computer). If the door latch is defective it could be generating the communications error code as well. A defective CCU can also give the same symptoms, though. Before replacing any parts, however, double check all your connections to make sure you don't have any loose wires. Try to tighten the two screws on the door latch as well.

The least expensive of two possible solutions would be to replace the door latch (about $50). While unlikely, you may need to consider replacing the CCU... can run between $150 and $250. Hope this leads you in the right direction

Feb 11, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

Whirlpool Duet washer GIVES ME f11 ERROR CODE


The F11 error code means that there is a communication error between the CCU (central control unit) and the MCU (Motor Control Unit) and it is not sending the message correctly. Check the wire harness connectors to the MCU and the CCU. Check the drive system for any worn or failed components. Check the MCU and the CCU and the motor. You may need a qualified repair technician for this one.

Nov 08, 2009 | Whirlpool Washing Machines

2 Answers

I have the F11 and dL code. There is water and


Hi

Error F11 means Serial Communication Error i.e. communication between the Central Control Unit (CCU) and the Motor Control Unit (MCU) cannot be sent correctly. You need to:
  • 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

  • Error code dl is a Door Lock Error. A Door Lock Error occurs if the door cannot be unlocked. It will try to lock it 6 times before displaying the error. You need to check:
  • Door Lock Mechanism broken or removed from the Door
  • Check Door Lock/Switch Assembly
  • Check the wire harness connections to the Door Lock/Switch Assembly and Central Control Unit (CCU)
  • Door Lock/Switch Assembly Failure


  • Please do rate this solution as FixYa and revert for further assistance.

    Thanks
    Rylee

    Jul 06, 2009 | Whirlpool Duet GHW9150P Front Load Washer

    1 Answer

    WT714 error code f11


    F-11 ERROR MEANS:  Serial Communication Error
    Communication between the Central Control Unit (CCU) and the Motor Control Unit (MCU) cannot be sent correctly.-------
    to resolve the error check out:
    Check Wire Harness connectors to the MCU, the motor, and Central Control Unit (CCU) globul1a.gif Check the Drive system for any worn or failed components globul1a.gif Check MCU globul1a.gif Check CCU globul1a.gif Check Motor globul1a.gif Check Wire Harness

    May 04, 2009 | Washing Machines

    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

    1 Answer

    F 11 error code on Whirlpool Duet - Serial Communication Error ?


    Your F11 Code is stateing these things but if it is intermittent probabbly a loose connection.


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

    Jan 20, 2009 | Whirlpool GHW9300 Duet Washer

    6 Answers

    Error code F dL, then F11


    F/DL is indeed a door lock error. I had this on my machine, did a lot of research and getting some idea of how it works. The code is generated when the CCU can't lock the door. Possible causes are door latch mechanism, connecting wiring, or the CCU. I could hear clicking from the CCU on my machine which indicated to me the CCU was trying to lock the door. It tries 6 times before setting the F/DL code. I tested the latch and wiring from the CCU - OK. The clicking I heard had to be relay(s) so I figured the problem was relay contact failure. I removed the CCU board, determined which relays were suspect (there are two for lock & unlock). I changed them both and saved myself spending $300 CA on a new CCU. The relays cost just over $2 each. I found replacement relays @ Electro Sonic (www.e-sonic.com; minimum $25 order plus shipping $7.50). Relay made by OMRON part # G5LE-14-DC12 replacment for original G5LE-1-VD 12VDC. I'm not impressed to have to change a $300 CCU because of a $2 relay failure. For me this was worth the try as I have some experience working with circuit boards. The relays would be a quick repair for anyone with similar experience. Hope this helps someone.

    May 06, 2007 | Whirlpool GHW9400 Front Load Washer

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