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International Comfort Products N9MP1100J20A2 Ignition Control Board
The main ignition control board keeps an eye on gas intake, the ignition sequence as well as other safety devices. It has been a very important circuit board that has now become a piece of the main circuit board instead of a separate board.
Red flags the ignition board is in dire straights
- Any other device within the furnace checks out problem-free
- Initial communication from the home thermostat never makes contact with the main board
- The ignition system will not start when it receives a proper signal
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