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LG AMNH123DEA0 Defrost Sensor Board
The defrost sensor board determines when to initiate an important defrosting cycle which helps to get rid of the frost that collects on the outdoor unit. The defrost board looks to a specific sensor which is near the condenser somewhere, in order to make the decision on when to initiate the defrosting cycle.
What warnings should I watch out for to know if my outdoor defrost sensor board is almost dead?
- Your HVAC system will cease to operate due to the safety features installed
- Defrosting will not initiate especially when there is a rather large amount of frost on the unit
- The main board might issue an error code produced by too much frost
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