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How is error f28 and f171

How is error f28 and f171

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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.

The F70 and F71 error codes on this model of washer indicates a communication problem between the user interface control board and the central control unit (main control board). These error codes can sometimes be caused by a power surge or glitch through the electrical lines. Try unplugging the washer to completely disconnect electrical power. Wait 1 minute and then plug the washer back in to the see if the fault code clears. If it does, then the washer may work normally.

If the code reappears, then you could have a wire harness connection problem, a failed user interface control board or a failed central control unit. I recommend calling a service technician to properly diagnose and repair this type of problem so that the correct component can be replaced.


Be sure your unit is plugged into a 3 prong grounded outlet as well.


F71 is a "heatbeat failure" which means that your front interface control board is shorted and will need to be replaced. it's actually fairly easy to replace and can definitely be done by yourself. To access the part, just pull the unit forward and remove the 3 screws coming in from the back of the top panel. Remove the top panel by pulling it back, up, and off. Then remove all the screws going into the top of the control panel. Remove the dispenser drawer and remove the screws coming in through the dispenser. Remove the screws coming from the inside of the dryer going forward into the control panel, then remove the control panel (it's just clipped in on the bottom. After that you can disconnect the wire harnesses to the front interface control board and replace that part.


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Posted on Sep 29, 2010

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1 Answer

I have an F28 error what is wrong


As far as I know F28 error code means - SERIAL COMMUNICATIONS ERROR/MOTOR CONTROL UNIT ERROR. Caused by either a communications problem between the Central Control Unit and Motor Control Unit, or Motor Control Unit internal failure.

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Whirlpool f28 error code and door lock light


For the F28 error code:
First, check the wiring harness connections to the MCU, the Motor, and the CCU. Make sure all the connections are tight and there are no ground wires off. Then check the connections of the CCU board within the housing.

If the wiring connections are fine then It would be a good idea to order both, as both components have been problematic for the error code F28.
Here is a link to the CCU.
Here is a link to the MCU.

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Washing stops in cycle with an F28 code.


Hi

This code indicates an electronics communication problem with the washer.Please check this link to get a detailed idea related to the lists of codes and the resolutions to them:-

http://whirlpool.custhelp.com/app/answers/detail/a_id/2885/~/display-shows-an-error-code---front-load-washer

The error code F28 means one or both of these parts are bad.
Motor Control Unit ,Microcomputer Machine Control Unit .
It would be a good idea to order both, as both components have been problematic for error code F28.

Please get back to us if you have further query or else please accept the solution.

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F28 is a communication error which usually means there is a connection that has come loose.Check the wires on the control board.

Nov 22, 2010 | Maytag EPIC MFW9700S Front Load Washer

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Code f28


Hi, the error code F28 means one or both of these parts are bad.
  • Motor Control Unit (8540135)
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It would be a good idea to order both, as both components have been problematic for error code F28. If you find either the MCU or the CCU(Microcomputer Machine Control Unit) fixed it.

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I washed a large load in our Whirlpood Duet Washing Machine and it stopped with a flashing F28 code. I unplugged it for 5 minutes and it still will not run a cycle without stopping with a flashing F28...


The error code F28 means one or both of these parts are bad.
Motor Control Unit (8540135)
Microcomputer Machine Control Unit (8540788)
It would be a good idea to order both, as both components have been problematic for error code F28

If you find either the MCU or the CCU(Microcomputer Machine Control Unit) fixed it.

You can download the online repair manual in the below link

https://secured.whirlpool.com/Service/SrvTechAdm.nsf/2cd44500d572193285256a45004fd9d6/6545d78b3f479480852571650061b1ba/$FILE/8178558.pdf

On page# 4-20 it shows how to access your MCU.

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It gives a F28 code. What is that?


F28 is a motor controller error... Try unplugging the machine for a minute or two, then starting it again. If no good, you can remove the access cover and check the connections to the motor... BE SURE TO UNPLUG FROM WALL FIRST...

Peace,

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Whirlpoo; wfw9200 F22, F28, A17 A27 error codes


f22 is a door lock error and f28 is a commication error you still have warranty thorugh whirpool. you're going to need pro. help

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