# Having a problem with error **URL:** \ **Category:** LightBurn Software Questions\ **Created:** [November 12, 2026, 4:36am UTC](https://forum.lightburnsoftware.com/t/having-a-problem-with-error/193897 "2026-11-12T04:36:45Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![ednisley](https://forum.lightburnsoftware.com/user_avatar/forum.lightburnsoftware.com/ednisley/32/40455_2.png) [@ednisley](https://forum.lightburnsoftware.com/u/ednisley)\ **Post date:** [November 12, 2026, 1:25pm UTC](https://forum.lightburnsoftware.com/t/having-a-problem-with-error/193897/2 "2026-11-12T13:25:09Z")
> [@FolkHero](#): > > I’ve tried many different adjustments Knowing what you’ve tried will help us avoid recommending those same solutions. Like these: > **[ALARM:3 - GRBL Errors - LightBurn 2.2 User Guide](https://docs.lightburnsoftware.com/2.2/Troubleshooting/GRBLErrors/#alarm3)** > > GRBL devices have a number of different alarms and error codes you may encounter. These will be visible in the Console Window. | Explanations of common GRBL errors. My guess is a USB problem, per _many_ previous discussions: > [@My Cherokee Beast](https://forum.lightburnsoftware.com/t/my-cherokee-beast/107347/149): > > WOO HOO !!! I got everything working right , FINELY !!! What was the problem? It turns out to be the USB to Controller board cable was faulty. That was the only thing I failed to check and that was it. I have a bad habit of buying one to use and one to loose. When I thought about the cable being bad, I got the cable out the spare controller kit and that one worked. I feel really stupid sitting here thinking how I spent 4 to 6 weeks crying and trying to fix this thing and never though… > [@USB Cable Issue](https://forum.lightburnsoftware.com/t/usb-cable-issue/171611/): > > I have just purchased a Gweike Cloud RF laser, using with Lightburn. The supplied USB cable works fine but it’s very short. So I bought a nice long one, 5 metres length. USB C to USB A, I use Macs. It’s a good quality cable, but I don’t seem to be able to make a connection when I plug in to the laser and to my Mac? Any suggestions/fixes most welcomed. I came across a really useful post by @BillieRuben who seems to have knowledge of these machines and setting up, any idea Billie ? tia blush --- _[View the full topic](https://forum.lightburnsoftware.com/t/having-a-problem-with-error/193897)._