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Goodman GKS90703BXAC Ignition Control Board
An ignition control board governs gas flow, the ignition timing and the flame sensing circuits. The ignition control board was always an important safety device that some manufacturers have decided to blend to be a part of the main control board instead of having two separate boards.
Key clues of a poorly working major ignition board
- Initial sequence can not commence at all
- The on-signal from the main thermostat never gets to the main board
- Every other device in the HVAC system is looked at and turns out to be in good health
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