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Carrier 58MVB100F10120 Defrost Sensor Board
The defrost control board controls if and when to commence an important defrosting cycle which assists to remove frost build-up that may accumulate. The control board depends on a sensor which is near the condenser somewhere, in order to ascertain when the defrost cycle should begin.
Major warnings the defrost sensor board is on its last leg
- AC and heating system could not run for the fact of lack of airflow through the outdoor unit
- The main control board may throw an error of some type produced when the defrost board is bad
- The defrost sequence never runs even though there is a large amount of frost that makes the unit run like crap
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