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International Comfort Products GDJ100M16A1 Defrost Sensor Board
The defrost sensor board initiates the defrost cycle which aids to get rid of the frost that collects on the outdoor unit. The defrost sensor board looks to a defrost sensor that can be found near the condenser, in order to agree when to initiate the defrosting cycle.
Red flags your defrost board is failing
- The system will cease to operate for the simple fact of too much frost
- The defrost feature never initiates even though there is a large amount of frost that needs to be removed
- The HVAC system control board may issue a specific error code when the defrost board fails
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