Mitsubishi Electric CR800 Series Instruction Manual page 193

Error
Error description
number
L6632 Input TREN signal
cannot be written
Error
Error description
number
L3130 COM file is already
opened
L3141 The NVOpen
command is not
executed.
L3142
The communication
line can not be
opened.
L3501 Illegal Receive
data(EBREAD)
L7810 Abnormal Ethernet
parameter setting
L8600 Vision sensor
connected
L8601 Logon not possible
L8602 Wrong password
L8603 Parameter
abnormality
[Causes]
During the actual signal input mode, external output signal 810 to 817
(TREN signal) cannot be written.
[Actions]
1) Use an real input signal (TREN signal)
Table 17-2 List of Vision Sensor relation Errors
[Causes]
The communications line that was the subject of the attempted opening
is already open.
[Actions]
Check the COM number and vision sensor number and re-execute. Or
check the communications parameters.
[Causes]
No NVOpen command was executed before execution of a command
communicating with the vision sensor.
[Actions]
Revise the robot program to execute the NVOpen command.
[Causes]
The line for communication with the vision sensor can not be opened.
[Actions]
Check the communication cable or the communications parameters.
[Causes]
The type of the data received by EBRead command and the type of
specified variable are different.
[Actions]
Revise the program.
[Causes]
The parameter setting is incorrect.
[Actions]
Check the NETHSTIP, NETPORT, NETMODE, and other such
parameters.
not [Causes]
There is no vision sensor connected to the specified COM number.
[Actions]
Check the specified vision program number, "COMDEV" parameter, etc.
settings.
[Causes]
The communication line was opened, but there is no response from the
vision sensor.
[Actions]
Reset the program and start it again.
[Causes]
The password for the user set with the "NVUSER" password is not set in
the "NVPSWD" parameter.
[Actions]
Check the specified vision program number, "COMDEV" parameter, etc.
settings.
[Causes]
There is no vision sensor connected to the specified COM number.
[Actions]
Check the NVUSER and NVPSWD parameters.
Occurrence of errors of Tracking and Vision Sensor 17-181
Causes and actions
Causes and actions
17 Troubleshooting