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Carrier 50JX-042 Defrost Sensor Board
The defrost sensor control board controls if and when to commence an important defrosting cycle in order to defrost your outdoor unit. The board depends on a sensor which is near the condenser somewhere, in order to ascertain when to begin.
Signs your Carrier defrost sensor board will have to be replaced
- The HVAC system control board might issue an error code produced by too much frost
- The whole system may not work due to the safety issue that the frost poses
- The defrost feature never runs even though there is a large amount of frost built up
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