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Mitsubishi MUZ-FD09NA Ignition Control Board
An ignition control board manages gas flow, the ignition timing and some more sensing equipment. It has been a very important safety device that some companies have moved to be a part of the main control board for the sake of being more efficient.
Key symptoms of an ailing ignition control board
- Any other device in the HVAC system is researched and comes to be OK
- Initial sequence is unable to fire up when called upon
- The initial signal from the remote thermostat never moves to the Mitsubishi control board
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