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International Comfort Products PGF030K080A Defrost Sensor Board
The defrost sensor board commences the defrost sequence which may be needed in order to keep the outdoor unit free from frost build-up. The defrost sensor board relies on a specific sensor located somewhere by the condenser to determine when to begin.
Important clues to watch for in a failing defrost sensor board
- The main circuit board may throw an alphanumeric error code referring to a bad defrost board
- The defrost sequence refuses to run despite the fact that there is a lot of frost built up
- Air conditioning may cease to operate at all because of the safety features installed
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