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Carrier 40MFC018 Ignition Control Board
The ignition control board is a safety device that keeps an eye on the natural gas, the ignition ignitor and a few other devices. It has been a very important device that is usually a standard part of the main board for safety reasons.
What happens when my main ignition board has to be replaced?
- Every other device connected to the system checked out to be in good condition
- Ignition cycle fails to fire up even though it is supposed to
- Signal from primary thermostat does not reach the Carrier control board
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