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International Comfort Products PGAA24D1K6 Defrost Sensor Board
The defrost sensor control board will begin an important defrosting cycle which may be necessary to get rid of the frost that collects on the outdoor unit. The defrost sensor board is influenced by a temperature sensor located somewhere by the condenser to verify when to initiate the defrosting cycle.
Signals the defrost sensor board is in dire need of a replacement
- The whole system may not run due to the frost issue
- Defrosting has not run for a while even though there is a lot of frost on the external unit
- The main circuit board may show an error code if the defrost board fails
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