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International Comfort Products HPFM Defrost Sensor Board
The defrost sensor board determines when to initiate an important defrosting cycle which may be needed in order to rid your unit of frost that can build up. It depends on a specific sensor located near the condenser to verify when to initiate the defrosting cycle.
Some clues of a defective defrost sensor board
- The HVAC system control board could display an alphanumeric error code referring to a bad defrost board
- Defrosting never initiates even though there is a large amount of frost on the external unit
- The system may cease to operate due in part to the safety features installed
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