Set the fridge to defrost, unplug it, bypass the defrost thermostat and turn the fridge on.
Does the heater comes on? If not - check if there is 120VAC at the heater contacts.
If no proper voltage go to the defrost timer, unplug it and while it set to defrost check continuity between 3-2 and 3-1. If no continuity - replace the timer again.
Post the results.
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Last edited by Simon / APP Team : 12-06-2012 at 04:25 PM.