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Whirlpool duet washer f6e3 error as soon as you turn on already changed mcu,CCU,ui still have error what's next

Already tested wiring harnesses

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: F 06 whirlpool duet washer

mcu is responsible for the f06 fault code

Posted on Mar 24, 2008

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SOURCE: 3 year old Whirlpool Duet - F07 error showing up

No do the following:

  • Check wire harness connections between the Drive Motor and the Motor Control Unit (MCU), and between the MCU and the Central Control Unit (CCU)
  • Check the MCU
  • Check the Drive Motor
  • Check the Wire Harness
If the wiring is definitely OK and the drive motor is OK then the MCU is most likely to be the culprit.

Posted on Dec 30, 2009

  • 15935 Answers

SOURCE: Whirlpool Duet Sport f-01 even after replacing CCU

F01 - There may be an internal problem with the control, attempt a Hard Reset.

Hard Reset - In some cases the control can be non-functioning or may not accept activation from the control panel. To clear and restart the control follow the these steps:

* Unplug or turn the circuit breaker off for 30 seconds.
* Reconnect the unit to the power source by turning the breaker back on or plugging the unit back into the wall outlet.
* Press the Pause/Cancel/Stop button twice to clear the "PF" in the display.
* Start a short cycle to check the operation of the machine by selecting a cycle and pressing and holding the start button until the machine starts.

The F01 generally indicates a failed electronic machine control board.
This error code can sometimes be caused by a glitch or power surge through the electrical lines.
You may be able to clear this code by unplugging the washer for 5 minutes.
If the code returns after plugging the washer back in, then the electronic machine control board will need to be replaced.

The procedure for accessing and replacing this control board is shown in this image...,wkwdftgtbkdgfrwxgtqsskgwtqkq,vi/ksrttqdqrxkssrqtgsd/1/1303472/5961857/image12917img-or.jpg

Be sure to unplug the washer before accessing internal components.
When you access the control board, I recommend transferring the wires from the old control board to the new replacement control board one connection at a time.
Once you have all of the wires transferred, remove the old control board and mount the new control board in the washer.
Reassemble and test the washer.

The "F01" error code indicates a communication error between the Central Control Unit (CCU) and the EEPROM onboard the CCU.
The "F01" can also be displayed if the onboard "Pump Driver" fails to activate.
Generally in order to correct this failure will require replacing the CCU.
There is no way to test and verify if the control board has failed.
The technical data sheet basically states to replace the CCU.

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Posted on Sep 21, 2010

  • 15935 Answers

SOURCE: Removing an MCU whirlpool duet washer

It appears your timer/main controller/CCU has failed in this instance.,wbwdbgswgksbgfwxgtqsskgwtqkq,vi/ktfgsrbbdxwtwtqtfwk/1/1303472/5961857/image45924img-or.jpg

For replacement parts - head on over to or and enter in your full model number for a full parts listing.
I recommend both sites because ...

FixYa has no affiliation with either site - I have been using and recommending them for years - trouble free.

PartSelect has a great schematic database for locating the part on your unit and great "testimonials" for each part that often times includes HOW-TO information.
RepairClinic has pictures of each part they sell and also a great how-to and troubleshooting for basic repairs.

If your unit has never been serviced - there should still be an original service manual enclosed in plastic taped to the inside of the shell.
In the service manual are Error codes, maintenance procedures, and troubleshooting steps you can follow.

Anything too complicated or beyond your scope should be handled by a professional.

If you think you want to tackle the repair - and have gotten stuck on a step - reply to your question and I will be glad to help you out.

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Posted on Sep 27, 2010

  • 15935 Answers

SOURCE: I have a wfw8300 whirlpool washer i keep getting an f28 error

F28 is a serial bus error from the CCU (Central Control Unit) to the MCU (Motor Control Unit).

All you need is some Electronics contact cleaner spray and a 1/4 inch socket to remove the top of the machine and the back of the machine.
The CCU is the computer looking box at the top front right hand corner.
Find connector M13, (has red marking on it and only 3 wires) disconnect it by pushing the retainer tab back and pulling gently on the connector.
Spray the contacts of the connector and computer with connector cleaner.
Then re-assemble connector.
The MCU is in the back lower left corner.
Find the connector with 3 wires and red mark, and remove this connector in the same way you did the other, spray it and re-install.
Put the back and top back on.

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Posted on Sep 28, 2010

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Ensure that you have already replaced the VSS with good ones.

If you have not replaced them yet, then the sensor can be tested reading the waveform. This is done connecting both VSS input and output wires to a machine. The one below is a good VSS wave at 37 mph:


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The VSS are located on the wheel shaft. Here a picture:


The VSS is connected to the ECM.

If you have already replaced the sensors you need to check the wiring harness to the ECM.

The wiring harness is tested checking that each wire going to the ECM has continuity. This is done reading impedance between each connector in the sensor , and the respective connector in the ECM. Impedance must be zero or a very low value. If it reads infinity, then the wire is broken.
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If you have already replaced the VSS, repair or replace the wiring harness. The ECM failure returning this code is very uncommon. At most you may have a defective ECM connector.



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