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International Comfort Products PA9524AKA1 Defrost Sensor Board
The defrost sensor board initiates the defrost cycle which aids to defrost your outdoor unit. The board depends on a sensor located in the outdoor unit to ascertain when to initiate the defrosting cycle.
Indications the AC defrost sensor board is in dire need of a replacement
- Defrost mode does not begin even though there is quite a bit frost on the outdoor unit
- The whole system may cease to operate due to too much frost
- The main control board could throw a specific error code if the defrost control board fails
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