Orange light after 2 minutes of engraving

I had trouble with my Glowforge Pro a few days ago the sounds were different and thought maybe the exhaust fan. So I ordered an in-line fan I read about on Facebook. It got the machine going for 2 days. Now it will run for 2-3 minutes and the orange light comes on. Any suggestions on what else it could be?

The orange light is a general error light and you need to check the bottom of the screen for what the error is. Usually, it is overheating but that can be for many things. Even with just over heating, the head can heat up, the sensor can be off, the “wiring” to the sensor can be off, or other bits that complete the information.

Thanks. There is no error message on the screen and I’ve been running it in the morning when it is pretty cool in our shop.

I found a problem in just the laser head, that if I put it in pause the head would heat up eventually to be hot to the touch, so naturally when it paused to “cool off” it just heated up some more. I solved the problem by never using pause again, but never found the underlying problem. I did learn that such a thing was possible.

The next time you get the overheating you might put a hand on the printer head and if it is warm or hot to the touch then that could be the source of the problem.

That is a generic indication of a hardware issue of some type, and covers all kinds of errors. Checking the logs, if you know how to retrieve (that info is posted here) and read them (that info isn’t posted, requires a bit of technical knowledge) can track it down.

If you open a ticket with support, they can look at the logs from their end (they are updated every time the machine talks to the cloud) and determine the cause.

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Did you remove or clean the exhaust fan when you added the inline? If the exhaust fan or the grate behind it is clogged, neither it nor your inline fan will be able to move air out of the machine, and it will overheat. Overheating is one of the things that turns the light yellow.



1st step is to ensure the intake and exhaust air path is clear. There is a small heat exchanger on the right side that the fan pulls air through.
I’ve had the exhaust fan grill build up enough to restrict airflow. I’ve also had the exhaust fan accumulate enough residue to become unbalanced and introduce a different sound and vibration.


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