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LG AMNH123APM0 Ignition Control Board
Another safety feature is the ignition control board, which keeps an eye on the gas valve, the ignition ignitor and some more sensing equipment. It has always been a vital board that has now become a vital part of the main control board instead of its own individual board.
Clues to watch for to know your main ignition board has very little life left
- Any other problem attached to the system is inspected and turns out to be a-OK
- The ignition cycle declines to kick in no matter what
- Initial communication from the thermostat never does reach the LG control board
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