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Whirlpool ATE1542CPP0 Defrost Sensor Board
The defrost sensor control board controls when to launch the defrost cycle which may be needed in order to keep the outdoor unit free from frost build-up. The defrost board looks to a sensor which is near the condenser somewhere, in order to verify when to initiate the defrosting cycle.
Easy warnings the AC defrost sensor board has little life left
- Your HVAC system will stop operating because of the safety issue that the frost poses
- The defrost sequence never starts especially when there is a rather large amount of frost that makes the unit run like crap
- The main circuit board may signify an alphanumeric error code if the defrost board fails
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