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Carrier 25HPA348A0030010 Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrost cycle if necessary, to keep your outdoor unit from plugging up. It looks to a specific sensor located near the condenser to make the decision on when the defrost cycle should begin.
Symptoms your outdoor defrost sensor board will eventually need to be replaced
- Your HVAC system will end up not running at all because of the safety issue that the frost poses
- Self defrost sequence has not run for a while even though there is a large amount of frost on the outdoor unit
- The main control board could display an error code if the defrost board fails
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If you are going to be buying or ordering, do your due diligence and double check the model number and also make a visual comparison in order to be sure the proper replacement defrost sensor board is being ordered. If you are unsure about the correct way of installing the defrost sensor board by yourself then it would be in your best interest to contact a professional to do the replacement of the part.
Feel free to download your manual for help.
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