Question about Whirlpool WFW9400S

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Wfw9400sw01 wahser error f21 and f28

How do I fix F28?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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

  • 85 Answers

SOURCE: 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

Posted on Dec 14, 2008

57 varieties
  • 1653 Answers

SOURCE: ERROR CODE F28

Unplug the machine at the mains. Remove the detergent tray. Reach all the way back with your hand in the slot where the detergent tray normally fits and feel for a lever. When you find it pull it forward. Then replace the detergent tray. Plug the machine back on and the error code will have reset and the machine will be useable again.

Posted on Oct 05, 2009

blueextc3221
  • 15935 Answers

SOURCE: have a whirlpool duet sport getting a 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.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question&%#

Posted on Sep 21, 2010

blueextc3221
  • 15935 Answers

SOURCE: whirlpool duet washer, error code f28

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.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question

Posted on Sep 21, 2010

blueextc3221
  • 15935 Answers

SOURCE: WHIRLPOOL DUET SPORT WASHER FLASH FAULT CODE F28

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.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for answering your FREE question&&&&

Posted on Sep 28, 2010

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1 Answer

Self diagnostics


this sound like defective boards or the boards are not being hoked up correctly causing them to short/melfunction

Oct 22, 2013 | Whirlpool Washing Machines

1 Answer

I have a whirlpool washer & dryer Duet and my washer keeps getting an error code F21 and recently got F28. I had some work done in the laundry area which caused the washer to be moved and then put...


https://www.whirlpool.com/webapp/wcs/stores/servlet/OCManualsLiteratureSearchView?catalogId=10561&langId=-1&storeId=10211&krypto=5QgxQhneFliXuEuX564wSQ%3D%3D&ddkey=http:AjaxMiniWishListView

Above find a link to your Manual and below find a link to a Video which can assist you in fixing the F21 Error Code

The F28 Error Code could Just be a Fluke But it is supposed to mean that there is no water entering so to be sure before running another load be sure hoses are connected and turned on.

Thumbs up if Helpful and Feedback is Appreciated!!!

Jun 17, 2011 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

Code f28


Hi, 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.

Oct 02, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

My washer stopped and was flashing F21 (drainage issue) so I called a plumber. He checked the hoses and removed the panel and cleaned the drain trap. It didn't fix the problem it's still won't drain. It...


The SUD message relates to overdose of detergent detected during the Wash Cycle.
This may signify a bad pump, an extra heavy load, excessive detergent or excessive suds.
If too much detergent was used, run the washer through a Rinse/Spin cycle, then a Normal cycle, without adding any detergent. This should clear the unit of the excess detergent.
Check the drain hose and make sure it is not plugged or kinked. this seems to be the reason as to why your unit is not fixed even after trying to solve F21......

F28 is a communication error which usually means there is a connection that has come loose. Removing the top and unpplugging and replugging the connectors in will fix 75% of these codes. If the bottom toe panel is not on it will also give you an F28.
Good luck

Aug 17, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

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.

Jun 27, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

F35 code


Hi,
The following list of codes indicates an electronics communication problem with the washer:

Duet HT® washer - F01, F03, F06, F11, F23, F24, F27, F28, F29, F30, F31, F32, F35, F42, F61, F62, F63, F64, F65, F70, F71, and F99
Duet® washer - F05, F07, F09, F10, F11, F13, F14, F15, F21, F22, and FdU
Duet SportTM washer - F01, F11, F23, F24, F27, F28, F29, F30, F31, and F33

To remove the error display, press Pause/Cancel twice.

If Pause/Cancel does not work:
  1. Unplug washer or disconnect power for one minute.
  2. Plug in washer or reconnect power.
  3. Re-select the cycle and press Start.
NOTE: If the error remains on the display, call for service.

Take care

Jun 15, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

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

Dec 13, 2008 | Whirlpool Duet GHW9150P Front Load Washer

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