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Lennox CBX26UH Ignition Control Board
An ignition control board has control over the natural gas, the ignition ignitor and some other sensors. The ignition control board was always an important safety feature that some manufacturers have decided to blend to be a piece of the main circuit board for the sake of being more efficient.
Major signs of an ailing chief ignition control board
- Every other device within the heating and AC system is researched and comes to be in good health
- Ignition system can not fire up even though it is supposed to
- Initial communication from the thermostat never makes it to the main board
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