Panasonic LP-GS Series Operation Manual page 303

Cause:
LP-GS (except LP-GS051-L): The set z-position does not match the
height of the actual workpiece.
Remedy:
Set the z-position according to the workpiece height.
Cause:
The marking surface of the workpiece is inclined.
Remedy:
Make sure the bottom surface of the laser head and the marking surface
of the workpiece are parallel to each other.
Cause:
The workpieces have varying properties for thickness, surface condition
(roughness, gloss level, etc.), and material (incl. chemical composition).
Remedy:
Adjust the marking settings and work distance for each workpiece.
Cause:
The workpiece feeder is unstable.
Remedy:
Adjust the workpiece feeder so that the position of the workpiece will be
stable.
Cause:
The performance of the laser oscillator deteriorated due to aging.
Remedy:
• Increase the laser power.
• Decrease the scan speed.
• If the initial marking quality cannot be reached even if the laser power
is set to the maximum value, the laser oscillator must be replaced.
Contact our sales office.
Cause:
LP-RV: The setting value of the pulse duration is incorrect.
Remedy:
Adjust the pulse duration according to the material of the workpiece.
For plastic, 4ns or 8ns is a common setting. For metal, 16ns or 30ns are
often used.
ME-NAVIS2-OP-1
27 Troubleshooting
303