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Mitsubishi MSY-D30NA Ignition Control Board
An ignition control board regulates gas flow, the ignition timing and other safety devices built into the system. It is an important device that, over the years, has merged to become a vital part of the main control board instead of having two separate boards.
Important clues of a weakening Mitsubishi ignition control board
- Every other potential issue in the system is researched and comes to be fine
- Initial ignition sequence declines to start then the thermostat send a signal
- Initial communication from the main thermostat never makes it to the control board
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