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Carrier 48GX Ignition Control Board
The main ignition control board checks the main gas intake valve, the igniter and the flame sensing circuits. The ignition control board was always an important electronic safety board that some manufacturers have decided to blend to be a standard part of the main board instead of its own individual board.
Signs your Carrier ignition control board is in dire need of a replacement
- Initial communication from the primary thermostat never makes it to the control board
- Every other thing within the heating and AC system is looked at and turns out to be a-OK
- HVAC ignition cycle refuses to fire up even when the thermostat kicks it on
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