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International Comfort Products PGF048K080F Defrost Sensor Board
The defrost control board will determine when to initiate the defrost sequence which actually helps to keep the outdoor unit free from frost build-up. The board depends on a sensor located in the outdoor unit to ascertain when to begin.
What are the clues to watch out for to know my AC defrost sensor board is on its last leg?
- The main control board might give out an error code produced by a bad defrost control board
- The defrost sequence has not run for quite some time even though there is quite a bit frost on the outdoor unit
- The HVAC system could stop running for the simple fact of the frost issue
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