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International Comfort Products HHP448GKA1 Defrost Sensor Board
The defrost sensor control board commences 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 ascertain when the defrost cycle should begin.
Indications of an unhealthy outdoor defrost sensor board
- The HVAC system control board could signify an error of some type if the defrost board fails
- Self defrost sequence never kicks in especially when there is frost that needs to be removed
- Air conditioning may not operate at all because of too much frost
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