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International Comfort Products GPFM36K100F Defrost Sensor Board
The defrost control board controls if and when to commence the defrosting phase which helps to get rid of the frost that collects on the outdoor unit. The defrost sensor board relies on a defrost sensor located in the outdoor unit to determine when to initiate the defrosting cycle.
Indications the defrost sensor board should be replaced
- The system will not work due in part to the frost issue
- Unit defrost session never starts especially when there is a rather large amount of frost that needs to be removed
- The primary control board may issue a particular error code when a defrost board fails to initialize
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