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International Comfort Products C9MPT075F12A1 Defrost Sensor Board
The defrost sensor board will determine when to initiate the defrost cycle which helps to keep your outdoor unit from plugging up. The defrost sensor board is influenced by a defrost sensor that can be found near the condenser, in order to ascertain when the defrost cycle should begin.
Simple indications of a poorly working outdoor defrost sensor board
- The HVAC system could stop operating for the fact of too much frost
- The defrost sequence never initiates even though there is excessive frost that has built up
- The HVAC system control board may issue a type of error code referring to a bad defrost board
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