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Mitsubishi MUZ-FD09NA Defrost Sensor Board
The defrost sensor control board controls when to launch the defrost sequence in order to get rid of the frost that collects on the outdoor unit. The control board depends on a defrost sensor located near the condenser to determine when the defrost cycle should begin.
Key signs of an unhealthy Mitsubishi defrost sensor board
- Self defrost sequence has not run for a while despite that there is a large amount frost on the external unit
- The main circuit board may show an error number if the defrost board fails
- The system will stop working due to too much frost
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If you decide on picking up or ordering a new Mitsubishi MUZ-FD09NA replacement part 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 being ordered. Once you have the part to install the part by yourself. Look for a professional in your town or city to do the job for you.
Feel free to download your manual for help.
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