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Carrier 38YCG042 Ignition Control Board
The main ignition control board controls gas intake, the ignition ignitor and the flame sensing circuits. It is an important safety feature that some manufacturers have decided to blend to be a standard part of the main board instead of a separate board.
Major indications the chief ignition control board needs to be replaced
- Ignition system is unwilling to start then the thermostat send a signal
- Initial communication from the home thermostat does not get to the main control board
- Any other device within the furnace is looked at and turns out to be in fine condition
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