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International Comfort Products PGAD24D1K5 Defrost Sensor Board
The defrost control board controls if and when to commence the defrosting phase which may be necessary to get rid of the frost that collects on the outdoor unit. It is influenced by a defrost sensor located somewhere by the condenser to verify when to begin.
Simple warnings that your AC defrost sensor board is dying?
- The primary control board may show an alphanumeric error code when the defrost control board refuses to initialize properly
- Air conditioning may stop running at all because of frost blocking the fins on the outside unit
- Defrosting never starts even when there is a large quantity of frost that makes the unit run like crap
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