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Carrier 48GS048090300 Ignition Control Board
An ignition control board checks out gas flow, the igniter and some more sensing equipment. It has always been a vital device that, over the years, has merged to become a piece of the main circuit board in order to have better control over the system.
Major signs of an inadequate ignition board
- HVAC ignition system will not kick in no matter what
- Everything else attached to the system is explored and ends up being okay
- Initial communication from the thermostat never makes contact with the main control board
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