I’m having trouble lighting my Ooni Karu 16 Gas Burner.
January 10 2025 11:06am • Est. Read Time: 2 MINBefore following the steps below, please read the following safety advice:
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If you're having trouble lighting your Ooni Karu 16 Gas Burner, begin by detaching your regulator from your propane tank. Wait 5 minutes, then reconnect your regulator to your propane tank and re-light.
1. Make sure your gas burner is set up correctly
Before ignition
Make sure your propane tank is full
- Make sure the connections to your propane tank and regulator are secure
- Make sure there are no leaks in your gas hose by using a leak detector spray or by using soapy water (full instructions on how to do a gas leak test here).
During ignition for Karu 16
The door should be open
The chimney should be on
The chimney cap should be removed
The chimney baffle should be open
The ceiling vent should be open
The fuel hatch should be removed
During ignition for Karu 2 Pro
The door should be open
The chimney should be on
The chimney cap should be removed
The chimney baffle should be open
The fuel hatch should be removed
After ignition for both Karu 16 and Karu 2 Pro
The fuel hatch should be placed back on
The door should be closed
Make sure you are taking 5 seconds to turn the gas control dial and keeping the knob pushed in for a further 5 seconds after ignition.
2. If you've run through the checklist above and your gas burner still isn't lighting
Detach your regulator from the propane tank and remove your gas burner from your oven.
Push in and turn the control dial until you hear a *click*. You should see a spark jump between the ignition tip and the front of the burner
If you cannot see a spark when you turn the control dial, reposition the ignition tip. Make sure that it is 3mm away and positioned closely so that it can 'contact' a metal part of the burner like so:

If your gas burner isn't lighting but you can hear gas flowing, you can use the provided matchstick holder to manually light your gas burner in the meantime. Do not attempt to manually light the gas burner without the use of the matchstick holder.
3. If the troubleshooting hasn't helped, contact us
Submit a support request and we'll be able to help. We'll ask you for:
- Your original order number
- Your gas burner's serial number
- A video* of your setup that shows:
- Your gas burner being lit
- The flames while running
- Your gas tank and regulator
* The easiest way to upload your video is to follow the steps in this article: How do I upload and send a video