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International Comfort Products HAC424GKA4 Defrost Sensor Board
The defrost sensor control board commences the defrosting phase which may be necessary to rid your unit of frost that can build up. The defrost sensor board is relayed information from a defrost sensor located in the outdoor unit to make the decision on when to begin.
What are some hints that my defrost sensor board is failing?
- Your main control board could throw a specific error code produced when the defrost control board fails to receive a signal
- Defrost session does not begin despite the fact that there is quite a bit frost on the outdoor unit
- The system may not run because of the safety features installed
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