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International Comfort Products NAC036AKA1 Defrost Sensor Board
The defrost control board instructs the system to activate the defrost sequence in order to keep the outdoor unit free from frost build-up. It depends on a specific sensor located near the condenser to verify when to begin.
Major warnings of an inadequate AC defrost sensor board
- Your system could stop working due in part to the frost issue
- The main control board may throw an error of some type produced by a bad defrost control board
- The defrost sequence never begins despite that there is a large amount frost that has built up
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