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International Comfort Products GPFM36L080F Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin the defrost cycle which may be needed in order to keep the outdoor unit free from frost build-up. The defrost board is relayed information from a temperature sensor located somewhere by the condenser to determine when the defrost cycle should begin.
Important signs the defrost sensor board will die soon
- The primary control board may signify an error of some type referring to a bad defrost board
- The defrost feature never kicks in especially when there is a rather large amount of frost on the outdoor unit
- Most systems will stop running for the fact of the fact that there is too much frost
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