Rank: Member
Groups: Registered
Joined: 10/14/2012(UTC)
Posts: 17
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I have no idea what to test next (see recent repair history below). Since I replaced the evaporator fan motor, the freezer was running 20 F, the refrigerator was fine. Saturday the freezer even went down to 10 F. This morning, 20 F/50 F. I defrosted the coils this evening. I again checked the defrost element ohms (28). I then checked for voltage to the defrost element, using a can of Freez-it to lower the temp of the defrost thermostat. At first I got 64 volts, then with a few more squirts 128 volts. There are two rows of coils in this unit, only the bottom row freezes up. Could there be a restriction in the line?
10/18/12: replace defrost thermostat (clips to coils). Tested bad in ice water bath
3/20/2013: clean condensor coils. Running hot due to apparent ice jam (defrost water found in bottom of refrigerator).
3/22/2013: defrost element reads 28.1 ohms. Replace defective evaporator fan motor (would only turn once you gave the blades a nudge).
3/29/13: replace defrost timer (old one tested good).
4/1/2013: unit not cooling (20 F/50 F). Defrost element reads 28.1 ohms. Appears to be getting voltage (see above).
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Rank: Advanced Member
Groups: Senior Expert
Joined: 9/10/2007(UTC)
Posts: 9,586
Was thanked: 2 time(s) in 2 post(s)
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With only a few coils frozen, you have a refrigerant leak/bad compressor.
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