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Goodman GKS90453BXAC Ignition Control Board
The ignition control board is a safety device that keeps an eye on the main gas intake valve, the ignition sequence and the flame sensing circuits. It has been a very important safety feature that some manufacturers have decided to blend to be a part of the main control board instead of a separate board.
Major indications the major ignition board will need to be replaced
- Any other device attached to the system is inspected and seems to be problem-free
- Ignition sequence does not begin even when called upon
- Signal from primary thermostat does not get to the main board
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