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International Comfort Products GDL125N20A1 Defrost Sensor Board
The defrost control board will determine when to initiate an important defrosting cycle which may be necessary to keep your outdoor unit from plugging up. The board looks to a temperature sensor located near the condenser to make the decision on when to begin.
Indications your outdoor defrost sensor board is dying
- Defrost mode will not initiate despite the fact that there is a lot of frost that has built up
- The whole system may stop functioning due in part to the amount of frost on the outdoor unit
- The main control board could signify an error signal produced by a failing defrost board
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