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International Comfort Products PGMD36G1154 Defrost Sensor Board
The defrost control board commences the defrosting phase which aids to remove frost build-up that may accumulate. The defrost board is relayed information from a temperature sensor located in the outdoor unit to determine when to begin.
What are the signs that the AC defrost sensor board is failing?
- The primary control board may show an error number referring to the failed defrost sequence
- The defrost sequence never starts even though there is a large amount of frost that makes the unit run like crap
- Air conditioning may stop operating at all because of lack of airflow through the outdoor unit
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