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Trane PTHD090 Defrost Sensor Board
The defrost sensor board controls when to launch the defrost sequence which helps to keep your outdoor unit from plugging up. The control board is relayed information from a sensor located in the outdoor unit to determine when to initiate the defrosting cycle.
Major clues poorly running Trane defrost sensor board
- Defrost session will not kick in even though there is a lot of frost on the external unit
- Your HVAC system will cease to function at all because of the frost issue
- The main circuit board could signify an error of some type produced when the defrost board is bad
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Before buying or purchasing, do your due diligence and double check 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. Installation of the defrost sensor board is a piece of cake assuming you energy and have the tools to get it done.
Feel free to download your manual for help.
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