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International Comfort Products NHP248AKA1 Defrost Sensor Board
The defrost sensor board determines when or if to start the defrost cycle which actually helps to keep your outdoor unit from plugging up. The board is relayed information from a sensor located near the condenser to agree when to begin.
Major symptoms the AC defrost sensor board needs replacing ASAP
- Your system could not operate because of the safety issue that the frost poses
- Defrosting has not run for a while despite that there is a large amount frost that has built up
- The HVAC system control board may show an error number referring to a bad defrost board
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