Model #MHN30PDBWW0 MAYTAG Commercial Washers

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Error Codes

Error Code:

Condition:

Check/Repair:

Question and Answers

Q:

what is code F 20 mean? MHN30PDBWW0 Maytag Commercial automatic washer

A:

Thank you for choosing Sears Parts Direct. I will be more than happy to help with your washer. Upon researching model MHN30PDBWW0;  the “F20”error code indicates  that there is no water detected entering the washer. This error code can be caused by no water entering the washer due to a turned off faucet, bad water valve, plugged or kinked hose or valve, pressure switch failure or disconnected, control board connection failure, blocked inlet from dispenser to tub.

I trust this information will help you, we appreciate your business thank for choosing Sears.

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CarlosZ -
Sears Technician
July 29, 2015
A:

How do you clear the error code from the machine?

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Robert -
July 30, 2015
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Q:

F28 Washer Error 917382830 Craftsman Lawnmower

A:
Desirea -
Sears Technician
March 07, 2015
Q:

F28 error code MHN30PDBWW0 Maytag Commercial automatic washer

A:

Hello glad to help.  Thank You for choosing Sears PartsDirect.com
 
I am sorry and do understand your frustration when having trouble with the washer.
 
Glad to help out.   Im  looking at your Maytag Washer model number  MHN30PDBWW0.

Sorry to hear of the error code F28.   I will find out what the service manual has to say about the error code.

F28  COMMUNICATION FAILURE BETWEEN THE CENTRAL CONTROL UNIT (CCU) AND THE MOTOR CONTROL UNIT (MCU).

The communication between the CCU and the MCU has failed.

POSSIBLE CAUSES:
A.  Reveresed polarity or mis-wire along with open ground switch(es).

B.  Communication cable from CCU (MI3) to MCU is damaged.

PROCEDURE FOR REVERSED POLARITY OR MIS-WIRE:
1.  Clear error code.
2.  Unplug washer or disconnect power.
3.  Check the white wire on the RF1 filter to enslure correct polarity.  White wire needs to be toward front of washer.
4.  Check outlet ofr correct polarity.
5.  Check that the ground switches of the toe panel and rear panel are corectly closed.  Refer to Grounding System Wiring Diagram.

PROCEDURE FOR COMMUNICATION CABLE:
1.  Clear error code.
2.  Unplug the washer or disconnect the power.
3.  Perform continuity test on wire harness connections from CCU (MI3) to MCU (be careful not to spread the Rast connector ends).
4.  Verify the drive motor operation in diagnostic mode.  If drum fails to tumble, replace the MCU.

Please "RESUBMIT YOUR QUESTIONS IF THERE IS ANY OTHER PROBLEMS".
 
Thank you for your understanding in this matter and I hope we can help you with your future questions and repairs.  Thank you for choosing Sears and using our SearsPartsDirect.com.


 
f you do not feel confident repairing this problem yourself, then you can have it repaired at your home by a Sears technician. Here is a link for the website: www.SearsServiceCrew.com
 

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Larry L -
Sears Technician
April 22, 2014
A:

How do I clear the Error code (Reading F28)?

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Joe Mesa -
January 23, 2015
A:

Does it matter it the unit is a PD or PR series?

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Joe Mesa -
January 23, 2015
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