Problem
When cutting their materials, users can often see large flames about 1-2" tall under the laser and immediately extinguished.
These flames are due to an issue with the C02 Air assist system
Issue 1: Switch/valve is not open/on
Issue 2: Elbow is not directed towards laser pathway
Solution
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Ensure the C02 Air assist switch on the carriage is rotated towards you. (see image) AIR ASSIST SHOULD ALWAYS BE ON![](https://cloud.wikis.utexas.edu/wiki/download/thumbnails/75237576/C02%20Air%20assist%20on-off.jpg?version=1&modificationDate=1665063321396&cacheVersion=1&api=v2&width=750)
![](https://cloud.wikis.utexas.edu/wiki/download/thumbnails/75237576/image2022-10-6_8-22-48.png?version=1&modificationDate=1665062568778&cacheVersion=1&api=v2&width=750)
C02 Elbow directionVerify Elbow is in place and pointing towards laser path. (see image) Blue highlight = Air assist switch, toggle on/off (switch should be covering the red paint mark to indicate it is actively open) Green highlight = Air assist elbow, directs the C02 towards the laser/flame to dissipate heat and fumes ![](https://cloud.wikis.utexas.edu/wiki/download/thumbnails/75237576/C02%20air%20assist.jpg?version=1&modificationDate=1670259015763&cacheVersion=1&api=v2&height=250)
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