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Carrier 58MTA100 Defrost Sensor Board
The defrost sensor control board commences the defrost cycle which helps to keep the outdoor unit free from frost build-up. The defrost board depends on a specific sensor located near the condenser to agree when to initiate the defrosting cycle.
What warnings should I watch out for to know if my defrost sensor board needs replacing?
- Air conditioning may stop running at all because of the fact that there is too much frost
- The control board might issue an error number produced by a bad defrost control board
- The defrost sequence does not begin even though there is a lot of frost on the external unit
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