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Mitsubishi MSZ-GE15NA Control Board
Your system definitely will not run at all without this vital piece of hardware is installed as it should be according to the manufacturer. The Mitsubishi MSZ-GE15NA control board is made to command the gas valve, the igniter, all the sensors and the blower all at once. You must be careful when you choose a control board due to so many small differences in systems. The chosen circuit board will have a matching part number that will fit in the brand and the model of the system you have installed.
Simple signals your main board is in need of replacing
- The system board has to be powered down and back up often for the thermostat to kick in
- There is an error code indicated on the circuit board
- Your system does not function correctly
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