Common Problem
1. What format files does the Grblcontrol(Candle) software support?
Support Gcode files of nc, ncc, ngc, tap, txt
2.What file formats does the Lasergrbl software support?
Support nc, cnc, tap, gcode, ngc, bmp, png, jpg, gif, svg
3.What should I do if the control board cannot be connected?
Exit the software, unplug the wire, and reconnect it. Or update the firmware.
4.The X, y, and z axes of the machine cannot be moved, what should I do?
First check whether the wires are correctly connected, whether the power switch of the control
board is pressed, and then check whether the lower coupling is off.
5.What materials can the milling cutter generally engrave or cut?
Wood, acrylic (acrylic), pcb, pvb, soft metal, iron, glass, stone .It can not be engraved, too hard
or fragile to engrave.
6.What materials can the laser generally engrave or cut?
Wood, acrylic (acrylic), leather, kraft paper, metal paint, plastic, bamboo
7.What thickness of wood or acrylic can generally be cut by laser?
3~5mm wood board (acrylic), speed setting 100, power setting 1000
8.The engraved image is reversed, what should I do?
Enter $3=2 or $RST=* command
9.How to modify the parameters when the limit switch is activated?
Enter $21=1 and $22=1 commands.
10.How to view the default parameters of the three-axis control board
Enter $RST=* (restore the default value) first, and then enter $$, you can view the parameters in
the control window.
11.What software is generally used to create NC files?
Recommend Inskcape, Artcam or Beijing Jingdiao
12.What should I do if the driver and software cannot be installed successfully?
First install Win7\8\10\XP under the supported system, then re-install or exit the anti-virus
software and re-install.
13.What should I do if the laser stops working?
First check whether the laser line is in good contact, and then enter M3 S50 on the software
to observe whether the laser can be bright
14.The laser can’t burn wood, what should I do?
Adjust the laser focus to the minimum, and then set the power higher (above 600).
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