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MELSEC-
A
14 TROUBLESHOOTING
14.4 List of warnings
The following table shows the warning details and remedies when warnings occur.
Division of
warning
Warning
code
Warning name Description Action at occurrence of warning
000 (Normal)
051
Illegal
movement
amount change
during
speed/position
changeover
control
The setting of the speed/position changeover
control movement amount change register is
out of the setting range.
The action follows the positioning address and
movement amount specified in the positioning
data.
052
Illegal new
speed value
The new speed value setting is out of the
setting range during JOG operation.
Clamped at the maximum limit in the setting
range.
Common
100
Start during
operation
A start request is issued when the axis is busy. Operation continues.
101
Current value
change when
BUSY
The current value is changed when the axis is
busy.
The current value change request is ignored.
102
Deviation
counter clear
request
A deviation counter clear request is issued
when the axis is busy.
The deviation counter clear request is ignored.
104
Restart not
possible
A restart command is issued in other than the
“stopped” axis status.
Operation continues.
105
Illegal target
axis
The target axis of reading/writing is out of the
setting range.
The warning is for the reference axis.
Reading/writing is not made.
106
Illegal
positioning data
No.
The positioning data number to be read/written
is out of the setting range.
The warning is for the target axis.
Reading/writing is not made.
107
Illegal writing
pattern
The writing pattern to be read/written is out of
the setting range.
The warning is for the target axis.
Reading/writing is not made.
108
Illegal flash
ROM writing
A flash ROM writing request is issued when
D75P2 READY signal [RXn0] is OFF.
The warning is for axis 1.
The flash ROM is not written.
109
Writing when
BUSY
A request is issued when the axis is busy.
The warning is for the target axis of the writing
request.
111
In remote
station READY
A request to write the flash ROM is issued
when remote station READY is ON (during
request to teach).
The warning is for axis 1.