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International Comfort Products GPFM60S140E Defrost Sensor Board
The defrost sensor board determines when or if to start the defrosting phase in order to continue normal heating and cooling operations. The defrost sensor board relies on a temperature sensor that can be found near the condenser, in order to determine when to initiate the defrosting cycle.
Key clues of an inadequate outdoor defrost sensor board
- Your system could not work at all because of way too much frost build-up
- The defrost sequence refuses to initiate despite the fact that there is quite a bit frost that needs to be removed
- The HVAC system control board could throw an error of some type referring to a bad defrost board
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