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International Comfort Products GPSM36K080F Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin an important defrosting cycle which may be needed in order to continue normal heating and cooling operations. The board looks to a sensor located in the outdoor unit to determine when to initiate the defrosting cycle.
What symptoms are present when the outdoor defrost sensor board is almost dead?
- Defrosting never kicks in even though there is excessive frost on the external unit
- Your HVAC system will stop running because of the safety features installed
- The main circuit board might issue an alphanumeric error code when the defrost board fails
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