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International Comfort Products PA5524AKA2 Defrost Sensor Board
The defrost sensor board determines when to initiate an important defrosting cycle if necessary, to defrost your outdoor unit. The defrost sensor board relies on a specific sensor located near the condenser to verify when to initiate the defrosting cycle.
Simple indications of a weak defrost sensor board
- The defrost sequence never starts even though there is quite a bit frost on the unit
- The main circuit board may issue a particular error code if the defrost control board fails
- The system will cease to operate because of the amount of frost on the outdoor unit
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