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International Comfort Products C9MPD100J20B1 Defrost Sensor Board
The defrost control board instructs the system to activate an important defrosting cycle which may be needed in order to get rid of the frost that collects on the outdoor unit. The defrost sensor board relies on a defrost sensor located near the condenser to ascertain when to begin.
Major symptoms of a weak AC defrost sensor board
- The defrost feature never starts despite the fact that there is a lot of frost built up
- The HVAC system could stop working at all because of too much frost
- Your main control board may throw an alphanumeric error code produced by a bad defrost control board
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