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Mitsubishi MSZ-A26YV Ignition Control Board
The main reason to have an ignition control board is that it oversees the natural gas, the ignition ignitor and the flame sensing circuits. It has been a very important electronic safety board that is usually a piece of the main circuit board instead of a separate board.
Signals of a defective ignition control board
- Ignition system is unable to kick in at all
- Every other problem connected to the system is looked at and turns out to be flawless
- Initial communication from the remote thermostat does not get to the main control board
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