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Carrier 38AUQ Ignition Control Board
The purpose of the ignition control board is that it has control over gas intake, the igniter and a few other devices. It has always been a vital safety device that some manufacturers have decided to blend to be a vital part of the main control board instead of having two separate boards.
Important signs the major ignition board is not going to last much longer
- The ignition cycle will not activate at all
- Signal from home thermostat never moves to the control board
- Every other device connected to the system checked out to be fine
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