Laser traces cuts but doesn't actually fire - 6445 130w

I recently upgraded to a ruida 6445. The laser did work originally, but after not using it for a few weeks it doesn’t cut the files I send to it. It does trace, but not firing the laser. I’ve googled and searched the forum but couldn’t really fix the issue. I’m new to lightburn after using lasercut for years so I’m half expecting it to be some simple issue.

It’s a 130x90cm 130w machine from g weike.

Here’s my layers etc:

And some machine settings:

You might need to set your Min Power value higher. If you set it below the firing threshold it can prevent the tube from firing at all.

Turns out I missed a critical thing. The signal cable for the cooler wasn’t connected. It’s working perfectly now.

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