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Lennox R22 Defrost Sensor Board
The defrost sensor board instructs the system to activate an important defrosting cycle in order to get rid of the frost that collects on the outdoor unit. The control board is influenced by a defrost sensor located somewhere by the condenser to verify when to initiate the defrosting cycle.
Some warnings the defrost sensor board needs a replacement ASAP
- The control board might give out an alphanumeric error code referring to a failing defrost control board
- The HVAC system could cease to function at all because of the fact that there is too much frost
- Unit defrost session never begins even when there is a large quantity of frost that needs to be removed
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If you decide on picking up or purchasing, do your due diligence and make sure of the correct model as well as make a visual comparison so that you are positive that the correct defrost sensor board is the one being purchased. There is no need to install the replacement part alone. Hire a pro in your area to do it for you.
Feel free to download your manual for help.
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