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International Comfort Products PGMD30G0908 Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin an important defrosting cycle which may be necessary to continue normal heating and cooling operations. The defrost board is influenced by a sensor located near the condenser to make the decision on when to initiate the defrosting cycle.
Major symptoms the defrost sensor board is failing
- The system may cease to operate due to the fact of the fact that there is too much frost
- The defrost sequence never starts even when there is a large quantity of frost that makes the unit run like crap
- The primary control board could throw an error number produced by a bad defrost control board
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