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Lennox XC14 Ignition Control Board
Another safety feature is the ignition control board, which keeps an eye on gas intake, the ignition ignitor and some other sensors. It has always been a vital device that, over the years, has merged to become a piece of the main circuit board instead of its own individual board.
Some warnings of an inadequate major ignition board
- HVAC ignition system refuses to commence then the thermostat send a signal
- Any other device within the furnace is researched and comes to be problem-free
- The electrical signal from the home thermostat does not reach the control board
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