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Goodman ASPF313716 Defrost Sensor Board
The defrost control board determines when or if to start the defrost cycle which may be necessary to get rid of the frost that collects on the outdoor unit. The control board depends on a defrost sensor located somewhere by the condenser to make the decision on when to initiate the defrosting cycle.
Subtle hints the defrost sensor board is dying
- The defrost sequence never initiates even though there is a lot of frost on the unit
- The AC may not work for the simple fact of the safety issue that the frost poses
- Your main control board may show a type of error code when a defrost board fails to initialize
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