1、 Laser engraving machine engraving depth varies

1: Loose or defective control card; 2: Stepper motor fault; 3: Driver fault or current subdivision inconsistent with software settings; 4: Line fault of Z-axis motor; 5: The spindle motor fixture is loose; 6: The frequency converter is disturbed or the data is set incorrectly; 7: Electrostatic disturbance; 8: Computer virus or system problem.

2： Random engraving

1: Control card fault; 2: Disturbance of frequency converter; 3: The file path is incorrect; 4: Electrostatic disturbance; 5: There is a problem with the software settings; 6: Driver fault or incorrect current subdivision setting; 7: Data line fault; 8: The computer has a virus or system problem.

3： The bottom of the engraving machine is uneven

1: The spindle is not perpendicular to the table, which needs to be corrected; 2: There is a problem with the tool; 3: There is a problem with the control card or the signal is disturbed.

4： The engraving machine cannot return to the mechanical origin normally

1: The machine is set to return to the original point in the opposite direction; 2: The control card is defective or loose; 3: Limit switch or data line fault; 4: Driver fault; 5: The wiring of the approach motor is defective.

5： When opening the software, the computer prompts "Fail to open the card, please check the card"

1. Check whether the driver of the board is installed properly, or replace the board with a PCI slot; 2. Reinstall the two data connection cables to check whether the needles are broken; 3. If the board is faulty, replace it.

6： When opening the software, it will prompt: three-axis alarm, initialize fault No. 4

1. Check whether the two data cables of the computer and the machine are connected properly; 2. Check whether the fuse of the adapter board in the control box is burnt, and replace the fuse.