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International Comfort Products NAC260AKA1 Defrost Sensor Board
The defrost sensor board controls if and when to commence the defrost cycle which assists to defrost your outdoor unit. It relies on a defrost sensor located somewhere by the condenser to verify when the defrost cycle should begin.
How can I tell if my defrost sensor board really needs to be replaced?
- The main control board may throw an error signal when a defrost board fails to initialize
- Most systems will end up not running because of frost blocking the fins on the outside unit
- Unit defrost session never initiates even though there is a lot of frost on the external unit
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