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Carrier 24ANB7 Defrost Sensor Board
The defrost control board controls if and when to commence an important defrosting cycle which helps to get rid of the frost that collects on the outdoor unit. It depends on a temperature sensor which is near the condenser somewhere, in order to make the decision on when to begin.
How do you know if your outdoor defrost sensor board is crapping out?
- Defrost session never runs despite the fact that there is quite a bit frost that makes the unit run like crap
- The HVAC system could stop operating due in part to the fact that there is too much frost
- The HVAC system control board may throw a particular error code when encountering a problem
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