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LG ARNU093SEL2 Ignition Control Board
The main reason to have an ignition control board is that it controls gas intake, the ignition timing and all the flame sensing devices. It is an important electronic safety board that is usually a piece of the main circuit board for safety reasons.
Major signs of a dying main ignition board
- Any other problem within the system is looked at and turns out to be fine
- The on-signal from the home thermostat does not show up at the control board
- HVAC ignition system fails to kick in even when the thermostat kicks it on
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