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Carrier RHR Defrost Sensor Board
The defrost control board controls if and when to commence the defrost sequence which assists to keep the outdoor unit free from frost build-up. The board depends on a defrost sensor that can be found near the condenser, in order to make the decision on when to begin.
Red flags of an unhealthy defrost sensor board
- AC and heating system could stop functioning due in part to way too much frost build-up
- Defrost session has not run for a while especially when there is frost in the way
- The main board may throw a type of error code when the defrost control board refuses to initialize properly
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Before buying or ordering a replacement defrost sensor board for your Carrier RHR, do your due diligence and cross-check the model number as well as make a visual inspection in order to be sure the right defrost sensor board is being ordered. Once you have the part to install the replacement part alone. Search for a pro locally to replace the part.
Feel free to download your manual for help.
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