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Model: TBF21CPD	Brand: GE	Age: More than 10 years
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jerryblewis		#1 Posted : Thursday, September 25, 2008 10:17:48 AM(UTC)
Rank: Member Groups: Registered Joined: 8/21/2008(UTC) Posts: 4		Coils in floor of freezer are frozen solid. The front of the partition between the freezer compartment and the fresh food compartment is hot. Following other posts on this site I have replaced both the thermostat and the timer and I tested the heater element with VOM and got a resistance reading. Also, the fan is working. If I unplug the refrig and thaw it out it cools fine for a week or two and then gradually freezes up to the point that frozen foods begin to thaw. Could there be a wiring problem and if so where do I find a wiring diagram? Help please...Jerry


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libertyappl		#2 Posted : Thursday, September 25, 2008 11:14:09 AM(UTC)
Rank: Advanced Member Groups: Senior Expert Joined: 8/13/2008(UTC) Posts: 3,097		There should be a wiring diagram in your unit, usually behind the kick plate of near the compressor, in an envelope.


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jerryblewis		#3 Posted : Thursday, September 25, 2008 11:50:45 AM(UTC)
Rank: Member Groups: Registered Joined: 8/21/2008(UTC) Posts: 4		I found the diagram...On the diagram it shows a mullion heater located between the two compartments. Apparently this the source of the heat I feel there. Should the mullion heater be on constantly? Would this affect the defrost system? Any idea where to start troubleshooting?


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libertyappl		#4 Posted : Thursday, September 25, 2008 12:21:53 PM(UTC)
Rank: Advanced Member Groups: Senior Expert Joined: 8/13/2008(UTC) Posts: 3,097		The mullion heater is usually on when the compressor is on. Is your compressor running all the time? It's possible one of the new parts may be bad.


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jerryblewis		#5 Posted : Thursday, September 25, 2008 12:25:08 PM(UTC)
Rank: Member Groups: Registered Joined: 8/21/2008(UTC) Posts: 4		Yes the compressor seems to run all the time. Is there a way to test the thermostat and timer?


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libertyappl		#6 Posted : Thursday, September 25, 2008 1:06:31 PM(UTC)
Rank: Advanced Member Groups: Senior Expert Joined: 8/13/2008(UTC) Posts: 3,097		You can test them with your ohm meter. Is this an US model? I can't seem to pull up the model number to view it. Nat


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jerryblewis		#7 Posted : Thursday, September 25, 2008 4:01:22 PM(UTC)
Rank: Member Groups: Registered Joined: 8/21/2008(UTC) Posts: 4		As far as I know it is a US model. Looking at the diagram on your web site for TBF2CNB looks the same as mine (TBF2CPD). Is the thermostat normally open or closed ?


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libertyappl		#8 Posted : Thursday, September 25, 2008 7:40:15 PM(UTC)
Rank: Advanced Member Groups: Senior Expert Joined: 8/13/2008(UTC) Posts: 3,097		You should have continuity on the thermostat


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