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International Comfort Products NTC6100GFG1 Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin the defrost cycle if necessary, to get rid of the frost that collects on the outdoor unit. The defrost board depends on a sensor which is near the condenser somewhere, in order to ascertain when the defrost cycle should begin.
Hints of an ineffective outdoor defrost sensor board
- The HVAC system could stop functioning due in part to the amount of frost on the outdoor unit
- Defrosting does not begin even though there is a large amount of frost on the outdoor unit
- The control board may signify a specific error code referring to a failing defrost control board
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