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Mitsubishi MSZ-A09NA Control Board
Your air handler will be unable to run lest this board is hooked up and is correctly configured. The Mitsubishi MSZ-A09NA control board is created to oversee the gas valve, the ignition igniter, all the various sensors as well as the blower all in one unit. Any control board you choose should match the model number with the brand and the model of your particular system. You must be sure upon choosing a board as a replacement due to the many differences between heating and cooling systems.
Major signs your Mitsubishi control board should need replacing
- When turned on, there is lit up error code instantly appearing somewhere on the board
- The heating and cooling system cannot initialize correctly
- The power to the system has to be powered down and back up many times a day for the thermostat to kick in
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