Customer Questions and Answers for Refrigerator Defrost Control Board by Whirlpool

TG, First determine if the compressor is or is not running. Move the fridge out so you can get to the back of the unit and unplug the power cord and remove the lower compartment cover(if present) for a few minutes. visually check the wiring to the compressor and start device When you plug the power cord back in you should be able to hear and feel the compressor start, or you'll hear a rather loud "click" noise from the overload protector on the compressor. I take for granted you have checked the back wall of the freezer compartment for a frost build up. If the compressor does start and run, we need to suspect a loss of refrigerant. If it makes the loud click noise, we have to suspect a bad start device or compressor, if it doesn't start, we have to suspect a bad cold control or defrost timer. Thanks