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International Comfort Products T8MPN100F20A1 Ignition Control Board
The main ignition control board manages the main gas intake valve, the ignition timing as well as other safety devices. The ignition control board was always an important electronic safety board that is usually a standard part of the main board instead of a separate board.
Simple signals the chief ignition control board needs replacing ASAP
- Everything else within the heating and AC system is inspected and turns out to be acceptable
- Initial communication from the home thermostat does not reach the main control board
- Ignition sequence declines to fire up even when called upon
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