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International Comfort Products C9MPD080J16C1 Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrosting phase which aids to keep the outdoor unit free from frost build-up. The control board relies on a defrost sensor located in the outdoor unit to ascertain when to initiate the defrosting cycle.
Key clues poorly running outdoor defrost sensor board
- The whole system may not run due to the fact of too much frost
- Defrosting will not initiate even when there is a large quantity of frost that needs to be removed
- The HVAC system control board could display a type of error code when the defrost board fails
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