L3214 Laser Cutter
User’s Manual
Troubleshooting
56
6
TROUBLESHOOTING
The laser is not cutting well in all areas of the bed:
•
The focus height is incorrect.
•
The lens is upside down.
•
The optics are in a poor state of cleanliness.
•
The cutting nozzle is blocked with dirt.
•
The wrong material has been chosen from the material manager
•
The beam alignment has moved for some reason.
•
Laser power has dropped.
•
The 48V laser power supply has failed.
The laser is not cutting in the corners:
The minimum power in the material setting is too low.
The laser is burning the corners of thin material:
The minimum power in the material setting is too high.
The motion system is working but the laser is not firing:
•
Check the status lights on the back of the laser.
•
Check the chiller:
o
Water level
o
Water pressure
o
Water pipes
o
Flow and return pipes have been exchanged.
o
Service or re-gas needed
The laser cutter switches on but the screen doesn’t display antyhing
:
The 3 amp fuse on the main elecrical panel has blown.
The laser won’t switch on
:
•
No mains power into the machine
•
The mains isolator switch at the back of the machine is off
•
One of the 4 emergency stops is pressed
•
The 1 amp fuse on the main electric panel for the 24V start circuit has blown
•
The 24V MCB has tripped to the off-position
There are no errors, still the cutting head won’t move to the 0/0 origin position
:
•
There is an obstruction somewhere in the motion system
•
The linear rails haven’t been maintai
ned correctly and are dirty or sticky
•
One of the motion system motors is tight or seized up
The conveyor is making a banging noise and is jamming:
•
Check if the obstruction is in a repeatable position. If so, a fixing screw holding the bed
planks in place may have come loose. Remove the 2 side covers and retighten.
•
Material got caught somewhere in the conveyor.
•
Remove the rear cover and remove any debris.
•
The Z-axis drive belt has come loose over time and requires adjustment.