Rank: Member
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Joined: 11/4/2010(UTC)
Posts: 6
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New to the forum..... I have read and researched and have questions.
What is the most common failure component of the defrost system on this unit?
What resistance should the heater elements be?
I believe this system is electronically activated, are there simple tests and can I force it into defrost mode to test my repairs?
I would hate to replace heaters and thermostats only to find a bad power module (I believe this is the controller?) Thanks, David
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Rank: Advanced Member
Groups: Senior Expert
Joined: 8/16/2007(UTC)
Posts: 3,273
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Rank: Advanced Member
Groups: Senior Expert
Joined: 8/16/2007(UTC)
Posts: 3,273
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David: The most common defrost failure is the defrost heater. Depending on the age of your unit, this heater has been redesigned for a better life of the part. The new design will also directly retrofit, so you should find no installation problem. Just visually check, or do a continuity check, on your existing heater. Yes, the control boards do fail; especially if you have no surge protection on your refrigerator. In the past GE had a problem with a particular solder joint failing on thes boards. I think they have fixed that. But the most common (and least expensive) defrost failure is the heater. Part number: AP2071465
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Rank: Member
Groups: Registered
Joined: 11/4/2010(UTC)
Posts: 6
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Thanks for the info. Do you know what the resistance of the heater should be? I'm going to assume I want to ohm it across the pink and blue wires, with the heater elements in series.
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Rank: Advanced Member
Groups: Senior Expert
Joined: 8/16/2007(UTC)
Posts: 3,273
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I don't have the resistance info. But if you see or measure that it is open, replace it.
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Rank: Member
Groups: Registered
Joined: 11/4/2010(UTC)
Posts: 6
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This one was a no brainer - it was wide open. I'll order a new assembly, install it, and report back when it's fixed. Thanks for your help!
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Rank: Advanced Member
Groups: Senior Expert
Joined: 8/16/2007(UTC)
Posts: 3,273
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Already, you've saved yourself about $100 just for service call and diagnosis.
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Rank: Member
Groups: Registered
Joined: 11/4/2010(UTC)
Posts: 6
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Sweet! Glad I found you people!
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Rank: Member
Groups: Registered
Joined: 11/4/2010(UTC)
Posts: 6
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I'm going to officially call this thing fixed. The heater assembly arrived a week ago last Saturday, I installed it and restarted the fridge. I found small puddles of ice at the freezer drain twice during the week, and finally pulled the cover a week later. No ice buildup on the coils, and the unit has maintained temperature. I'm happy, it saved me over a grand since my wife was ready to run out and buy a new unit!
Now....... gotta go fix the sticky dispenser switch on the Maytag unit in the kitchen.........
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