5.3 Troubleshooting
Nothing happens when the engraver is turned on.
Check the power cord and fuses.
Nonstop laser.
Check the electrical grounding wire and connections.
Light comes on during operation.
Check the water cooling system. If it is not operating smoothly, clean the water tank and pump and
replace the distilled water. If the water cooling system is operating smoothly, there may be unstable
voltage in the engraver’s power supply. Install a regulator or improve the power supply itself.
Test abnormal
Adjust the metal sheet to touch the limit switch
The machine does not begin to work when instructed by the software.
Check that the data cable is well connected to both your computer and the engraver. Check that the
engraver is turned on and well grounded. If the necessary from the USB have not been installed, do so
and repeat the command.
No laser is emitted during operation.
Check that the water cooling system is working properly and the tank is well supplied with cool (but
not icy) distilled water. Check the optical path for bias and, if necessary, perform the optical path adjust-
ment procedure in 4.2.
The laser head moves erratically.
Check that the engraver is well grounded. If it already is and the problem persists, reduce the engraving
speed.
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