A-6 errors that occur in the monitor/simulator – KEYENCE KV Series User Manual
Page 183

Appendices
2-159
1
Appendices
A-6
Errors that occur in the monitor/simulator
The error message displayed in the monitor/simulator is shown in the table below.
A-7
Communication errors (displayed in the monitor)
The error message displayed during communication with the PLC is shown in the
table below.
Can’t write scales.
Widen the width
of registration
monitor window.
Error message
Cause
Countermeasures
Because the width of the
registration monitor window is
too narrow, the specified
number of scales cannot be
drawn.
Increase the width of the
registration monitor window.
Communication
error occurred.
Check for commu-
nication setting
and connection
lines.
Error message
Cause
Countermeasures
An error occurred during
communication.
Confirm that the personal
computer’s RS-232C port is
correctly connected to the PLC.
Confirm that the communication
(COM1/2) port and baud rate are
set correctly in "Settings"-"Serial
Port".
Unregistered
program
The attempt is made to execute
PLC monitor or to call up or
verify the program in the CPU,
although the KV main unit has
no program.
Transfer a program to the KV
before making these attempts.
KVSKA Appendix.P65
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