Refrigerator Control Board
Genuine Ge part
By: Ge
Part Number: WR55X21623
Fix a refrigerator that won't defrost or has an iced-up evaporator coil. This defrost control board manages defrost cycles to prevent frost buildup.
Do-It-Yourself Stories from Customers like You
The evaporator coil kept getting heavily frosted and the compressor ran almost continuously Reid D. • Santa Maria , CA • April 01, 2016
The defrost heater element looked good and had continuity. The defrost thermostats checked good, so that just left the Defrost Module as the likely suspect. I installed a new defrost control module and thermostats. The thermostats were inexpensive and the old ones could have been intermittent,
The only "tricky" part was finding out how to get to the back screw that holds the main control panel. Discovered that the return air duct surrounding the control panel needed to come off. It helps...
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$10.52
Genuine Whirlpool part
By: Whirlpool
Part Number: WR55X21623