27 Troubleshooting
E501 Cause:
The laser stop input is open.
Remedy:
• Connect the LASER STOP IN inputs on the TERMINAL connector.
• Check the status of the safeguards connected to the LASER STOP
IN inputs.
• Check the operation logic of the connected device.
• Connect the internal or external power supply to IN COM. 1 (X2) and
OUT COM.1 (Y2) on the TERMINAL connector.
E502 Cause:
The “Stop laser” button in Laser Marker NAVI smart was selected.
Remedy:
Solve the safety problem. Then select “Reset” in the error dialog in Laser
Marker NAVI smart to finish the laser stop status.
E503 Cause:
The remote interlock input is open.
Remedy:
• Connect the REMOTE INTERLOCK IN input on the TERMINAL
connector.
• Check the status of the safeguards connected to the REMOTE
INTERLOCK IN input.
• Check the operation logic of the connected device.
• If you want to deactivate this alarm when the shutter is closed, set
“Deactivate while shutter closed” in “System settings” > “Operation/
information” > “INTERLOCK alarm detection”.
• Connect the internal or external power supply to IN COM. 1 (X2) and
OUT COM.1 (Y2) on the TERMINAL connector.
Applies to LP-RC, LP-RF, LP-RV only.
E505–E509 Cause:
A safety function (e.g. interlock or laser stop) was activated during
marking trigger preparation (data transfer to the laser head).
Remedy:
• Reset the alarm if laser radiation was stopped by a laser stop signal,
an interlock signal or the “Stop laser” button in “Laser Marker NAVI
smart”.
• Check if the signal lines are affected by noise.
330 ME-NAVIS2-OP-1
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