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Goodman GKS90904CXAA Ignition Control Board
The main ignition control board regulates the gas valve, the igniter and all the flame sensing devices. It is an important device that, over the years, has merged to become a piece of the main circuit board for the sake of being more efficient.
Major clues the major ignition board should need replacing
- Any other problem within the heating and AC system checked out to be just fine
- The electrical signal from the main thermostat does not show up at the main control board
- HVAC ignition cycle refuses to commence even when called upon
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