Laser burner not turning off

My two trees tts 55 wont turn off i have been using it for a couple of weeks and it worked great then when i went to use it yesterday this happened

We’re going to need quite a bit more to go on.

When is the laser ON?
When is it OFF?
Is it ever Off when it should be on and/or On when it should be off?

Always on is most likely a hardware problem.
We would be hard pressed to make that happen with a working controller.

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