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International Comfort Products PA5542AKA1 Defrost Sensor Board
The defrost sensor board initiates the defrosting phase in order to keep your outdoor unit from plugging up. It is influenced by a specific sensor located near the condenser to ascertain when the defrost cycle should begin.
Clues to watch for to know your outdoor defrost sensor board has very little life left
- Your system could cease to operate for the fact of the frost issue
- The control board may show a specific error code if the defrost control board fails
- The defrost feature does not run despite the fact that there is quite a bit frost on the external unit
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