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Lennox F8AUH Defrost Sensor Board
The defrost sensor board determines when or if to start the defrost cycle which helps to remove frost build-up that may accumulate. The defrost sensor board relies on a temperature sensor located somewhere by the condenser to determine when to initiate the defrosting cycle.
Warnings your outdoor defrost sensor board is going to die
- Unit defrost session has not run for quite some time especially when there is a rather large amount of frost built up
- Your system could end up not running because of the fact that there is too much frost
- The control board could throw an error code produced by too much frost
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If you decide on picking up or purchasing a replacement defrost sensor board for your Lennox F8AUH, do your due diligence and double check the model number as well as make a visual inspection in order to be sure the correct replacement defrost sensor board is being ordered. Use a great deal of caution when replacing parts in an HVAC environment. If you are not exactly sure of what to do next call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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