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BK Garage  
#1 Posted : Monday, October 8, 2012 7:53:19 AM(UTC)
BK Garage

Rank: Member

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Joined: 10/8/2012(UTC)
Posts: 2

I have a unit that the evaporator has consistantly frosted badly. I have already replaced the thermstat on the evaporator and the condenser fan.

The door gaskets are good and I don't suspect a refrigerant leak. I believe my defrost heating element may be the problem and I would like tp know if there are certain resistance (ohm) values to expect.

Thank you for your help...
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Simon / APP Team  
#2 Posted : Monday, October 8, 2012 10:31:56 AM(UTC)
Simon / APP Team

Rank: Advanced Member

Groups: APP Team
Joined: 2/12/2012(UTC)
Posts: 5,556

Hi.

Turn the fridge off, remove the cover from the control board at the rear .
Locate the J9 contact at the 3 wire plug and the J7 plug pin9.With one of the plugs removed check the resistance (freezer must be ice cold while checking).
You should read at least 22 ohm.
If there is no continuity -replace the defrost heater Part number: WR51X10055
Part number: WR51X10055


If the resistance is OK - replace the control board Part number: WR55X10942
Part number: WR55X10942


Simon.
BK Garage  
#3 Posted : Monday, October 8, 2012 12:44:10 PM(UTC)
BK Garage

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Joined: 10/8/2012(UTC)
Posts: 2

I got a reading of 26 ohms, looks like the board. Yuk!
Simon / APP Team  
#4 Posted : Monday, October 8, 2012 4:05:58 PM(UTC)
Simon / APP Team

Rank: Advanced Member

Groups: APP Team
Joined: 2/12/2012(UTC)
Posts: 5,556

Hi.

Most likely that what it is.

Post the results.

Simon.
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