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International Comfort Products T9MPD100J20C2 Defrost Sensor Board
The defrost control board instructs the system to activate the defrost cycle which actually helps to keep your outdoor unit from plugging up. The control board is influenced by a sensor located in the outdoor unit to ascertain when the defrost cycle should begin.
Red flags of a weak AC defrost sensor board
- The system will stop working due in part to the amount of frost on the outdoor unit
- The defrost sequence refuses to initiate despite the fact that there is quite a bit frost that has built up
- The HVAC system control board may signify an error signal produced by a failing defrost board
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