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Friedrich P-09 Defrost Sensor Board
The defrost sensor board controls if and when to commence the defrosting phase which helps to keep the outdoor unit free from frost build-up. The control board depends on a defrost sensor located somewhere by the condenser to verify when the defrost cycle should begin.
Easy warnings poorly running outdoor defrost sensor board
- Most systems will stop operating at all because of frost blocking the airflow outside
- Unit defrost session never runs despite that there is a large amount frost that needs to be removed
- The HVAC system control board might issue a particular error code referring to a failing defrost control board
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Before you decide on buying or ordering a new Friedrich P-09 replacement part, do your due diligence and make sure of the model number as well as make a visual inspection in order to be sure the correct defrost sensor board is the one being purchased. There is no rule that says you have to replace the part all by yourself. Search for a pro in your town or city to do it for you.
Feel free to download your manual for help.
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