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International Comfort Products HPFM60K000A Defrost Sensor Board
The defrost sensor board commences an important defrosting cycle which aids to continue normal heating and cooling operations. The defrost board relies on a temperature sensor located in the outdoor unit to determine when the defrost cycle should begin.
General warnings of a poorly working defrost board
- The system will end up not running because of the amount of frost on the outdoor unit
- The defrost feature never begins especially when there is frost on the outdoor unit
- The HVAC system control board could signify an error code when encountering a problem
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