Blue laser not coming

LightBurn Hardware Compatibility
1

I have Sculpfun s9… the laser module is moving accord to the cut area… but the blue light (laser is not coming) I’ve unplugged n plugged all the wires… NEED HELP URGENTLY

2

Does the fan still work? Did you check the signal cable (test conductivity of the wires)?

3

Yes the fan is still operating

4

Then do the 5V test as explained here: Guide to mechanical adjustments and maintenance

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5

I’ve done the 5v test. The laser is coming.then I do job as usual , at the beginning the laser is coming after moving to another place(according to the job ) the laser stopped only the module is moving

6

Then I suspect the cable is broken then. If it stops at certain positions, it’s usually the cable causing it.