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Joe M.  
#1 Posted : Sunday, March 15, 2009 7:02:21 AM(UTC)
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Joe M.

Rank: Member

Groups: Registered
Joined: 3/15/2009(UTC)
Posts: 2

Unit will not go into defrost.
Defrost heater assembly is on order as I have had to manually defrost freeser coil for 3rd time.
Since unit came back on unit will not cycle off.
Could the Control assy., Temperature
Part Number: AP4070345 made by WHIRLPOOL
be the problem?
If so, how does this compartment disassemble?
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woodchuckie  
#2 Posted : Sunday, March 15, 2009 7:18:08 AM(UTC)
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woodchuckie

Rank: Advanced Member

Groups: Senior Expert
Joined: 3/10/2009(UTC)
Posts: 1,363

The part itself doesn't come apart. To get it out, you'll have to remove the plastic control cover.
If the freezer is not reaching the temp the thermostat is set for then it won't cut off. You can turn the thermostat up to see if it cuts off. If it don't cut off then that could be the problem.

If the ice has built up again on the coils that could be the reason it hasn't gotten cold enough and cut off.

The defrost problem could also be caused by the defrost thermostat or the adaptive defrost control.
Joe M.  
#3 Posted : Sunday, March 15, 2009 7:46:49 AM(UTC)
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Joe M.

Rank: Member

Groups: Registered
Joined: 3/15/2009(UTC)
Posts: 2

Woodchuckie,
I've been in the HVAC business for over 25+ years and even today, I still am amazed that the simplest solutions are the ones that always work.
Resetting the temperature control worked. Thanks.
As soon as I receive and install the new defrost heater assembly this week the unit should be operating properly.
Thanks again for the input.
Joe M.
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