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International Comfort Products PYMC36G4 Defrost Sensor Board
The defrost control board will determine when to initiate the defrost sequence which helps to continue normal heating and cooling operations. The control board is influenced by a specific sensor located near the condenser to verify when the defrost cycle should begin.
Major indications your outdoor defrost sensor board is in dire straights
- The main control board might issue an error number produced when the defrost control board fails to receive a signal
- The defrost feature refuses to initiate especially when there is frost on the unit
- The system may not work at all because of frost blocking the airflow outside
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