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Mitsubishi MUZ-D30NA Defrost Sensor Board
The defrost control board is jobbed with determining when to begin the defrosting phase which may be needed in order to keep the outdoor unit free from frost build-up. It depends on a sensor located in the outdoor unit to decide when to initiate the defrosting cycle.
Major clues of a bad Mitsubishi defrost sensor board
- The main board may show a specific error code when a defrost board fails to initialize
- Most systems will not operate for the simple fact of the safety issue that the frost poses
- Unit defrost session refuses to run even though there is quite a bit frost on the outdoor unit
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Before buying or ordering a replacement defrost sensor board for your Mitsubishi MUZ-D30NA do your best and make sure of the model number as well as make a visual comparison in order to be sure the correct defrost sensor board is the one being purchased. Make safety your number one priority when replacing parts in an HVAC environment. If there are any doubts about what you are doing then call a pro. Stay safe.
Feel free to download your manual for help.
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