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International Comfort Products PGAA24B1K1 Defrost Sensor Board
The defrost control board instructs the system to activate the defrosting phase in order to keep the outdoor unit free from frost build-up. The defrost sensor board relies on a sensor that can be found near the condenser, in order to determine when the defrost cycle should begin.
What are the clues to watch out for to know my outdoor defrost sensor board is in need of a replacement?
- The main control board might issue a type of error code if the defrost control board fails
- The system may not run due to the fact of the frost blocking the flow of air
- Defrost session does not begin even though there is a large amount of frost on the unit
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