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International Comfort Products NAC260GKA1 Defrost Sensor Board
The defrost control board instructs the system to activate the defrost cycle which may be necessary to get rid of the frost that collects on the outdoor unit. The board is relayed information from a sensor located in the outdoor unit to ascertain when the defrost cycle should begin.
Important hints the AC defrost sensor board is on its last leg
- The whole system may not run due to the safety issue that the frost poses
- The defrost sequence does not begin especially when there is a rather large amount of frost that needs to be removed
- Your main control board could display a specific error code when the defrost board fails
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