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International Comfort Products T9MPD100J14C2 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin the defrost cycle which helps to keep the outdoor unit free from frost build-up. The defrost sensor board depends on a temperature sensor located near the condenser to make the decision on when to begin.
What symptoms are present when the defrost board is in need of replacing?
- The main circuit board may issue an alphanumeric error code when a defrost board fails to initialize
- Your system could not operate due to the fact of frost blocking the airflow outside
- The defrost feature will not kick in even when there is a large quantity of frost on the outdoor unit
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