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International Comfort Products C9MPD075F12B1 Defrost Sensor Board
The defrost control board will begin the defrost sequence which aids to keep your outdoor unit from plugging up. The defrost board relies on a sensor that can be found near the condenser, in order to decide when the defrost cycle should begin.
Cues of a bad defrost board
- Defrost session will not kick in especially when there is a rather large amount of frost that makes the unit run like crap
- The system will end up not running because of the safety features installed
- The HVAC system control board may signify an error number referring to the failed defrost sequence
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