Once you have successfully connected the regulator,open up the gas from your propane tank.
Push in and slowly turn the control knob counterclockwise until you hear a click and the burner ignites.
Continue to push in the control knob for 5 seconds after ignition and then release.
Ooni Koda should run quietly when lit. If you hear a roaring noise from the gas burner, switch the gas off for 5 minutes and re-light.