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International Comfort Products H9MPD100J14A1 Defrost Sensor Board
The defrost sensor board controls when to launch the defrost cycle which may be necessary to keep your outdoor unit from plugging up. The board is influenced by a specific sensor located in the outdoor unit to make the decision on when the defrost cycle should begin.
General indicators that your the defrost sensor board will need to be replaced
- The control board may issue an error number when encountering a problem
- Your system could end up not running because of the amount of frost on the outdoor unit
- Defrosting never starts even though there is a lot of frost on the outdoor unit
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