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International Comfort Products PGC048K120F Defrost Sensor Board
The defrost sensor control board instructs the system to activate an important defrosting cycle if necessary, to keep your outdoor unit from plugging up. It depends on a temperature sensor located somewhere by the condenser to determine when to begin.
Major symptoms your defrost board is in dire need of a replacement
- Defrost session never starts despite that there is a large amount frost on the outdoor unit
- Your main control board may throw an error signal when encountering a problem
- The whole system may stop functioning at all because of the frost issue
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