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mrhoagie  
#11 Posted : Sunday, November 4, 2012 3:56:01 PM(UTC)
mrhoagie

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Joined: 11/3/2012(UTC)
Posts: 9

The drain was plugged with something dirt like or maybe accumulated from a long ago meltdown in the freezer when the electric was off for 3 days. Now opened and water freely moves through now.

Would ice buildup from a plugged drain hamper the function of evaporator coils leading to a frost buildup or is this just a coincidence of two separate problems being:

1.) The drain combined with
2.) Defrost thermostat, defrost heater or defrost timer (timer being bad or stuck)

Allen
mrhoagie  
#12 Posted : Monday, November 5, 2012 4:13:32 AM(UTC)
mrhoagie

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Joined: 11/3/2012(UTC)
Posts: 9

Totally thawed out and dry freezer. Restarted power for 8 hours. Lite frost on evaporator tubes. Turned timer until freezer fan shut down. No evaporator heater startup to where frost was melting, left for 20 minutes or so and freezer fan restarted, frost remains on evaporator coils.

If I cut the thermostat wires and connect directly and the evaporator heater warms up then the thermostat is the problem...correct?

If I had a VOM meter this would also so no connection at the thermostat...correct?

If thermostat connectivity is good then the evaporator heater is the problem...correct?

As long as the defrost timer is cycling to start and stop the freezer fan, does this mean the timer is cycling correctly and the problem is either the thermostat or the evaporator heater exclusively?

Allen
mrhoagie  
#13 Posted : Sunday, November 11, 2012 3:08:11 PM(UTC)
mrhoagie

Rank: Member

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Joined: 11/3/2012(UTC)
Posts: 9

Turned timer off then freezer fan stopped. 20 minutes later freezer fan started to run, figured the thermostat worked. Tested the double element heater for conductivity and nothing. Replaced the heater, temperatures are normal and all is cold.
rickgburton  
#14 Posted : Sunday, November 11, 2012 3:54:24 PM(UTC)
rickgburton

Rank: Advanced Member

Groups: Expert
Joined: 10/21/2012(UTC)
Posts: 263

Cool, nice job
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