Omtech LYF-20MN - 5 Maintenance; 6 Troubleshooting

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Warning
• Unless otherwise specified, ONLY perform adjustment and maintenance of this machine when the power is
turned o and the power supply has been disconnected.
• ONLY allow trained and skilled professionals to modify or disassemble this machine.
Observe the following guidelines when maintaining the machine:
• Keep the workroom clean and dust-free at all times.
• Ensure the machine is fully powered o when not in use.
• Cover the galvanometric lens when it is not in use.
• Clean the worktable after use with a cloth wetted with greater than 75% rubbing alcohol. NEVER clean this
machine with abrasive or caustic cleansers, with aerosol sprays, or with enough water to enter any electrical
component.
• ALWAYS allow surfaces to fully dry before further use.
• If removing dust from the machine's vents using a vacuum, ONLY use the lowest power setting to avoid
damage to internal components.
Warning
NO other servicing should be done by the operator. DO NOT attempt to service or replace other parts yourself.
5. Maintenance
6. Troubleshooting
Potential Problems Possible Solutions
No laser output Correct the focus by adjusting the height of the laser arm.
Correct the software parameters if they are invalid or mistaken.
Have a technician fix or establish the connection between the laser and the
mainboard.
Have a technician x or establish the connection between the laser and its power
supply.
If either the fiber laser source or its power supply have worn out, have a
technician replace them.
No engraving despite laser output Conrm that the material can be safely engraved with this machine.
Correct the focus by adjusting the height of the laser arm.
Adjust the software parameters to create greater intensity.
Have a technician check the control panel, scanning lens, and its power supply.
Correct any problems or replace the part.
Other laser errors Have a technician check the ber laser source and the mainboard. Correct any
problems or replace the part.