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I need to find the defrost timer to encourage it to kick off. I've been told I can use a flat head screwdriver to make the adjustment, but I can't find where the screw is I'm supposed to be changing.

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Good day,
You don't adjust it. It's not adjustable. You use the screwdriver to turn the shaft clockwise until it is in the defrost mode.
Most are in the top section of the fresh food compartment, but on older models can be outside behind the front kickplate.
Without a make and model I connot tell the location of the control.
As well, some models use what are called an adaptive defrost control which is totally electronic and has no way of being mechanically advanced.
There are other parts to the defrost system that can fail. The main heater and defrost thermostat which are located on the cooling coil which is located behind the rear panel in the freezer section.
In any case one or more of the parts has failed, and for the machine to continue to defrost properly must be identified and replaced.

Posted on Jul 30, 2010


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