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International Comfort Products PGS048K120F Defrost Sensor Board
The defrost sensor board controls if and when to commence the defrost sequence in order to keep the outdoor unit free from frost build-up. It is relayed information from a defrost sensor that can be found near the condenser, in order to determine when to begin.
Simple warnings that your defrost sensor board needs replacing?
- The defrost feature never runs despite that there is a large amount frost that has built up
- Your HVAC system will not operate due in part to too much frost
- The main control board might issue a specific error code when a defrost board fails to initialize
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