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International Comfort Products PAF036K000A Defrost Sensor Board
The defrost sensor control board will determine when to initiate the defrost sequence which actually helps to keep the outdoor unit free from frost build-up. It depends on a temperature sensor located somewhere by the condenser to decide when to initiate the defrosting cycle.
Indications the AC defrost sensor board is going to die
- Your system could stop running due to the fact that there is too much frost
- Defrost session has not run for quite some time despite the fact that there is quite a bit frost in the way
- The primary control board might give out an error of some type when the defrost control board refuses to initialize properly
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