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Mitsubishi MSZ-FD09NA Defrost Sensor Board
The defrost sensor control board determines when to initiate the defrosting phase which actually helps to continue normal heating and cooling operations. It is influenced by a sensor located near the condenser to verify when to initiate the defrosting cycle.
Simple signals your defrost board will not live much longer
- AC and heating system could stop running for the fact of frost blocking the airflow outside
- The control board may throw an error code referring to the failed defrost sequence
- Self defrost sequence will not initiate despite the fact that there is quite a bit frost built up
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If you are going to be buying or purchasing a replacement defrost sensor board for your Mitsubishi MSZ-FD09NA, 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. The installing of the defrost sensor board is a piece of cake provided you possess the knowledge and have the proper tools to get it done.
Feel free to download your manual for help.
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