1. Does the device focus focus change: readjust the focus.

2. Whether the focusing lens is contaminated: Clean the focusing lens.

3. Whether the light path is shifted: Carefully adjust the light path.

4. Whether the reflection lens is polluted or damaged: Clean or replace the reflection lens.

5. Whether the cooling water circulates: Unblock the cooling water path.

6. Is the cooling water quality or water temperature normal? Replace the clean cooling water to make it normal.

7. Whether the laser power is on: Check the laser power supply circuit to make it normal.

8. Whether the laser tube is damaged or aging: Replace the laser tube.

9. Whether the laser power is damaged: Replace the laser power.

10. Is the overall temperature too high:

(1) Shut down and let the temperature drop;

(2) Ventilation enhances the heat dissipation of the machine;

(3) Adjust the ambient temperature.

If you still don’t understand, please contact Focuslaser .