Question about Whirlpool Duet GHW9150P Front Load Washer

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Panel reads f11

I have used the reset  and it works. The problem returns every couple of loads.

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F 11 means

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


This is what to check.

  • 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
Good Luck and Please Rate FixYa!

Posted on Jan 10, 2009

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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

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


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.

Nov 07, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

F11 error


Hi


Thanks for using FixYa. Error F11 is a communication error between the central control unit (CCU) and the motor control unit (MCU). This usually occurs when CCU goes bad however, to check what has gone bad you’ll need to remove the top panel of the washer and also remove the rear panel to access the drive motor & MCU. Please do rate the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Jun 07, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

During cycle...F11 is showing on panel. What does


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

If all the connections look fine , then its possible the CCU is reading wrong and will need to be changed


Apr 25, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

The F11 error. Where is bottom panel?


f11 serial communication error.communication between the central control unit {ccu} and the motor control unit {mcu} cannot be sent correctly.

Jan 15, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

My Kitchenaid ensemble washer has a code F11 and and will not turn off so I can reset cycle. Help


We used www.CircuitBoardMedics.com to repair the F11 error on our machine. They even have a video on their site to show how to remove the part that needed to be repaired. Great service, and it works like new. I would definitely use them again.

Oct 22, 2009 | KitchenAid KHWS02RMT 3.7 Cu. Ft. Ensemble...

1 Answer

We keep getting a f11 and fdl code on our whirlpool duet front loading washer. Also we can't get the door to unlock, any suggestions?


"F11" is a Serial Communications error code. The following link explains:

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

The "Fdl" error code indicates a problem with the door latch, which may be the reason why the door will not unlock.

Now...before assuming you have any failed components, try unplugging the unit for AT LEAST 30 minutes in an attempt to reset the Central Control Unit (CCU). In many cases, these error codes are erroneous and can be reset in this manner. If the error code reappears following a CCU reset, then you have a legitimate problem.

Read through the link provided for pointers on how to troubleshoot the F11 error code. The two errors in conjunction with each other, usually indicates a failed CCU. The CCU controls the latching mechanism on the door. If the CCU is not communicating with the door latch correctly, the latch doesn't operate and you get the additional error code (Fdl).

You can trace the wires from the door latch to the CCU and unplug and reset them one at a time to make sure you have a good electrical connection as well. Do the same on the door latch end as well. To access, you simply need to remove the top panel of the washer. Remove the three screws in the back of the washer that holds the panel in place. With the screws removed, the panel will slide back and then lift off. The CCU is located directly behind the wash tub in the top center of the washer. NOTE: Make sure you UNPLUG the washer while doing this.

If you need to retrieve your clothes and the door remains locked, there is a manual release you can use to open the door. The following link explains:

http://www.fixya.com/support/r622155-kenmore_elite_whirlpool_duet_door_jammed

I know this may be a lot to read through. Try the CCU reset first. This is the easiest option and doesn't require you to remove anything. Hopefully, this will correct your problem(s).

If you still have questions, please let me know. I hope you find this information helpful.

Jun 11, 2009 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

Code F11 and the washer does not continue


"F11" is called a Serial Communications error. This commonly occurs when the Central Control Unit (CCU), which is the main computer, does not receive proper signals from the Motor Control Unit (MCU) for whatever reason. Before assuming you have a failed part, however, the manufacturer recommends unplugging the appliance for at least 30 miuntes to reset the CCU. Sometimes this is all that is required to correct momentary glitches. If the problem returns, review the following link for more information:

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

In many cases this problem cures itself by resetting the computer. However, more commonly, when it appaears as a reoccuring problem, the CCU fails. Read through the link thoroughly, however, and follow the recommended advice just to be sure. Hopefully, this will not require any replacement parts. I hope this helps you. Let me know if you require further assistance.

Sep 14, 2008 | Whirlpool Duet GHW9150P Front Load Washer

6 Answers

Kenmore Elite 45986 Front Load - F11 Fault


I once had located a code combination to push on the control panel to clear the F11 code. I cannot locate that again. Can you please give me the combination to reset the machine?

Dec 16, 2006 | Kenmore Elite 45986 Front Load Washer

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