162
ERROR
CODE
Description Measures *1
E770
The connection between laser marker and your
PC is disconnected.
Unable to communicate with Laser Marker NAVI
smart.
• Check the Ethernet or USB connection status.
• For Bluetooth communication, check for any
obstacles and distance between that and the laser
marker.
• Save files onto your PC local folder, and overwrite
and save them when the connection gets back
online.
E775
Unable to transmit the response data of MST
command.
• When the marking interval is too short for
transmission time of MST command, MST
command is not available. In such case, check the
marking completion by I/O.
• Check the control procedure of the external
control.
E780 Serial number mismatch.
• Make sure the connected laser marker
components have the correct serial numbers.
• For LP-GS/RC/RF series, it is recommended to
connect the head and controller that have the
same serial numbers.
• For LP-RV series, it is recommended to connect
the head, oscillator unit, and controller that have
the same serial numbers.
E781
• Model number mismatch.
• Incorrect connection of signal cable or unit
power cable.
• Make sure the connected laser marker
components have the correct model numbers.
• For LP-GS series, it is recommended to connect
the head and controller that have the same model
numbers. If you combine the different models, the
model number of the laser head is applied to the
laser marking system.
• Check the connection of the cable and various
signal lines, and then restart the laser marker.
*1 : If the error persists after restart of the laser marker, contact our sales office or representatives.
*2 : Error that may occur for LP-GS series only.
*3 : Error that may occur for LP-RC series only.
*4 : Error that may occur for LP-RF series and LP-RV series only.
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