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Desa R155B Defrost Sensor Board
The defrost sensor board will determine when to initiate the defrosting phase which may be needed in order to keep your outdoor unit from plugging up. The control board is influenced by a specific sensor which is near the condenser somewhere, in order to determine when the defrost cycle should begin.
What are the indications that my defrost board is on its last leg?
- Defrost session has not run for quite some time even though there is excessive frost that has built up
- The primary control board may issue a specific error code if the defrost board fails
- The system will stop functioning at all because of the safety issue that the frost poses
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Before buying or purchasing, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the correct defrost sensor board is the one being purchased. You do not have to install the part by yourself. Find a professional in your area to hire and install the part for you.
Feel free to download your manual for help.
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