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Nordyne P5RF Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrost sequence which helps to keep your outdoor unit from plugging up. The control board is influenced by a specific sensor located near the condenser to verify when to initiate the defrosting cycle.
Indications of a failing defrost board
- The HVAC system could cease to function for the simple fact of way too much frost build-up
- The control board may signify an error number when the defrost control board refuses to initialize properly
- The defrost feature has not run for quite some time even though there is a large amount of frost that has built up
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