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International Comfort Products PHAD24N1K1 Defrost Sensor Board
The defrost sensor board determines when or if to start an important defrosting cycle which assists to continue normal heating and cooling operations. The defrost sensor board looks to a defrost sensor located near the condenser to make the decision on when the defrost cycle should begin.
What are the clues to watch out for to know my defrost sensor board is almost going bad?
- The HVAC system control board could throw an alphanumeric error code referring to a bad defrost board
- The HVAC system could cease to operate at all because of too much frost
- Defrost session does not run despite the fact that there is a lot of frost on the outdoor unit
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