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Friedrich MW24Y3F Defrost Sensor Board
The defrost sensor board determines when or if to start an important defrosting cycle which may be needed in order to defrost your outdoor unit. The defrost sensor board is relayed information from a temperature sensor which is near the condenser somewhere, in order to decide when the defrost cycle should begin.
Clues to watch for to know the defrost sensor board is on its last leg
- Defrost session does not begin even though there is a lot of frost that needs to be removed
- Your main control board might issue an error code produced by too much frost
- Your HVAC system will stop working for the simple fact of the safety features installed
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