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International Comfort Products HPFM30K000A Defrost Sensor Board
The defrost control board will begin an important defrosting cycle which assists to defrost your outdoor unit. The defrost sensor board looks to a temperature sensor located somewhere by the condenser to verify when to begin.
What red flags are there that my defrost board is almost dead?
- The HVAC system could stop operating at all because of frost blocking the fins on the outside unit
- The main board may signify an error of some type referring to a bad defrost board
- The defrost feature has not run for a while especially when there is a rather large amount of frost that has built up
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