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Carrier FX4CNF018000 Ignition Control Board
The ignition control board is a safety device that regulates gas intake, the ignition timing and some other sensors. It is an important electronic safety board that some companies have moved to be a part of the main control board instead of having two separate boards.
Red flags the chief ignition control board should need replacing
- Initial communication from the thermostat never reaches the main control board
- Any other potential problem in the HVAC system is explored and ends up being in fine condition
- Ignition sequence declines to fire up when called upon
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