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Lennox G40UH-36C-110 Ignition Control Board
Another safety feature is the ignition control board, which checks out the gas valve, the ignition timing as well as other safety devices. The ignition control board was always an important safety feature that has now become a vital part of the main control board instead of a separate board.
What warnings are present when my chief ignition control board is almost going bad?
- Initial sequence fails to initiate when it receives a proper signal
- Every other device within the heating and AC system checks out okay
- The on-signal from the remote thermostat never reaches the main control board
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