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Lennox HPXB15-042 Defrost Sensor Board
The defrost sensor board controls when to launch the defrosting phase which assists to remove frost build-up that may accumulate. It is influenced by a temperature sensor which is near the condenser somewhere, in order to ascertain when to begin.
Key signs of a failing outdoor defrost sensor board
- Defrost mode will not initiate despite the fact that there is quite a bit frost that makes the unit run like crap
- The main control board may show a type of error code produced by too much frost
- The AC may stop running at all because of frost blocking the airflow outside
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Before buying or ordering any Lennox HPXB15-042 part, do your due diligence and make sure of the correct model and also make a visual comparison so that you are positive that the proper replacement defrost sensor board is the one being purchased. It can be quite simple to replace a defrost sensor board on your Lennox HPXB15-042 so long as you know what you are doing and have all the necessary tools to do the job right.
Feel free to download your manual for help.
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