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Carrier 48GP042060300 Ignition Control Board
The main ignition control board governs gas flow, the ignition sequence and a few other devices. It has always been a vital electronic circuit board that has now become a vital part of the main control board instead of its own individual board.
Important clues of a dying ignition control board
- Any other device throughout the system is inspected and turns out to be acceptable
- Initial communication from the remote thermostat never makes contact with the Carrier control board
- Ignition cycle refuses to kick in even when called upon
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