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Carrier 25HNA660A0030020 Defrost Sensor Board
The defrost control board will determine when to initiate an important defrosting cycle which may be necessary to rid your unit of frost that can build up. The board looks to a temperature sensor which is near the condenser somewhere, in order to make the decision on when to initiate the defrosting cycle.
Elements of a weak Carrier defrost sensor board
- Defrost session never starts even though there is quite a bit frost on the external unit
- The main circuit board may issue an error signal produced when the defrost control board fails to receive a signal
- Your HVAC system will not work for the fact of the frost blocking the flow of air
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If you are going to be buying or ordering any Carrier 25HNA660A0030020 part, do your due diligence and cross-check the model number as well as make a visual comparison in order to be sure the correct defrost sensor board is the one being purchased. Installation of the defrost sensor board is a piece of cake provided you energy and have the tools to get it done.
Feel free to download your manual for help.
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