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maytagmbf1956  
#1 Posted : Monday, November 2, 2009 8:40:55 AM(UTC)
maytagmbf1956

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The compressor is running contiously. Had to replace defrost heater and thermostat because it was not defrosting. It's now defrosting corrrectly but the compressor is not stopping even when forcing a defrost cycle. Not sure if this was the cause of the defrost heater failure.
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denman  
#2 Posted : Monday, November 2, 2009 10:42:46 AM(UTC)
denman

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Here are your parts
Replacement parts for MAYTAG MBF1956KEW | AppliancePartsPros.com

Here is the tech sheet which you may already have
http://www.servicematters.com/m...ibrary/docs/16026956.pdf

Try to run the diagnostic tests on the tech sheet.
It does sound like your control board is toast as it should shut the compressor off when in defrost.
THIS FORUM IS DEAD!!!!!!!
maytagmbf1956  
#3 Posted : Monday, November 2, 2009 4:55:39 PM(UTC)
maytagmbf1956

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Originally Posted by: denman Go to Quoted Post
Here are your parts
Replacement parts for MAYTAG MBF1956KEW | AppliancePartsPros.com

Here is the tech sheet which you may already have
http://www.servicematters.com/m...ibrary/docs/16026956.pdf

Try to run the diagnostic tests on the tech sheet.
It does sound like your control board is toast as it should shut the compressor off when in defrost.



Thank you. I ran the defrost test before replacing the defrost thermostat and heater and it did not defrost. After replacing both the thermostat and heater the defrosting ran correctly. I ran test 2 (Compressor/Condenser Fan Test) under service mode and it did not stop the compressor - fan neither before or after replacing the thermostat and heater. Do you know if test 2 is suppose to stop and activate the compressor - fan when keying F/O? .
denman  
#4 Posted : Tuesday, November 3, 2009 5:54:42 AM(UTC)
denman

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As far as I know it should stop it.
THIS FORUM IS DEAD!!!!!!!
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