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International Comfort Products C9MPD100J20C2 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin the defrosting phase which may be needed in order to keep the outdoor unit free from frost build-up. The defrost sensor board looks to a specific sensor located near the condenser to verify when to begin.
Major clues your outdoor defrost sensor board will need replacing
- The main control board may issue an alphanumeric error code when the defrost control board refuses to initialize properly
- Unit defrost session does not run despite the fact that there is a lot of frost that needs to be removed
- Your system could cease to operate for the fact of the amount of frost on the outdoor unit
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