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Carrier 39E Ignition Control Board
Another safety feature is the ignition control board, which controls gas intake, the ignition timing and other safety devices built into the system. The ignition control board was always an important board that is usually a vital part of the main control board instead of having two separate boards.
Signs your main ignition board needs to be replaced
- The ignition system is unwilling to kick in no matter what
- Every other potential issue attached to the system checks out in good health
- The on-signal from the main thermostat never does reach the control board
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