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Mitsubishi MSZ-GA25VA Ignition Control Board
Another safety feature is the ignition control board, which keeps an eye on gas intake, the igniter and the flame sensing circuits. It is an important safety feature that is now usually a piece of the main circuit board for safety reasons.
What red flags are there that my chief ignition control board is failing?
- The main ignition cycle fails to activate then the thermostat send a signal
- Any other device connected to the system checks out fine
- Communication from the primary thermostat does not show up at the main control board
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