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International Comfort Products PGMD36H060A Defrost Sensor Board
The defrost sensor board controls when to launch the defrost sequence in order to continue normal heating and cooling operations. The board is relayed information from a temperature sensor which is near the condenser somewhere, in order to verify when to begin.
Subtle hints the AC defrost sensor board needs replacing
- Defrosting has not run for quite some time even though there is quite a bit frost on the outdoor unit
- Your HVAC system will cease to function due to the fact of the safety features installed
- The main board may throw an error signal produced when the defrost board is bad
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