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Lennox 12CHP048 Ignition Control Board
Another safety feature is the ignition control board, which checks the natural gas, the ignition sequence and all the flame sensing devices. It has always been a vital circuit board that is usually a part of the main control board instead of its own individual board.
What symptoms are present when the main ignition board is not working properly?
- Heating and cooling system is unwilling to start no matter what
- The electrical signal from the thermostat never reaches the Lennox control board
- Everything else within the heating and AC system is looked at and turns out to be in good health
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