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Friedrich P-12 Defrost Sensor Board
The defrost control board instructs the outdoor unit to begin the defrost sequence which may be necessary to defrost your outdoor unit. The defrost sensor board is influenced by a sensor which is near the condenser somewhere, in order to verify when to initiate the defrosting cycle.
Key indicators that my defrost sensor board is in need of a replacement?
- Defrost mode refuses to initiate despite the fact that there is quite a bit frost on the unit
- Your main control board could throw an error signal referring to a failing defrost control board
- The HVAC system could cease to operate at all because of the frost issue
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