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International Comfort Products H8MPL100F20A1 Defrost Sensor Board
The defrost sensor board instructs the system to activate an important defrosting cycle if necessary, to keep the outdoor unit free from frost build-up. It is influenced by a sensor located in the outdoor unit to decide when to initiate the defrosting cycle.
What warnings should I watch out for to know if my AC defrost sensor board has a need to be replaced?
- The system may not work due to the frost issue
- The defrost sequence never begins even though there is a large amount of frost on the unit
- The main board may throw a specific error code referring to a bad defrost board
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