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Goodman GKS90453BXAB Ignition Control Board
Another safety feature is the ignition control board, which may control gas intake, the ignition timing and the flame sensing circuits. It has always been a vital electronic circuit board that is usually a standard part of the main board for safety reasons.
Subtle hints your main ignition board is going out
- The electrical signal from the main thermostat gets lost before it makes it to the main control board
- Everything else throughout the system is inspected and turns out to be all right
- The ignition system is unwilling to kick in even when the thermostat kicks it on
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