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Carrier 58DLA110 Defrost Sensor Board
The defrost control board instructs the system to activate the defrosting phase which may be needed in order to keep your outdoor unit from plugging up. It depends on a defrost sensor that can be found near the condenser, in order to decide when the defrost cycle should begin.
What symptoms are present when the defrost sensor board is in need of a replacement?
- Your HVAC system will stop operating due in part to lack of airflow through the outdoor unit
- Defrosting never starts despite that there is a large amount frost built up
- The primary control board might give out a particular error code referring to the failed defrost sequence
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