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International Comfort Products HAC260AKA1 Defrost Sensor Board
The defrost sensor control board instructs the system to activate an important defrosting cycle if necessary, to remove frost build-up that may accumulate. It relies on a sensor located in the outdoor unit to determine when to begin.
Symptoms of a poorly performing AC defrost sensor board
- Self defrost sequence has not run for quite some time especially when there is frost that has built up
- The HVAC system control board may show an error number produced when the defrost control board fails to receive a signal
- The system may cease to operate at all because of the fact that there is too much frost
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