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Carrier 58CTX04510012 Ignition Control Board
The ignition control board is a safety device that checks gas intake, the igniter and some other sensors. The ignition control board was always an important circuit board that is now usually a piece of the main circuit board for safety reasons.
Subtle cues of a barely functioning main ignition board
- Any other problem attached to the system is inspected and turns out to be okay
- The initial signal from the main thermostat never moves to the control board
- Initial ignition sequence refuses to fire up when called upon
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