
APPENDIX
B–63524EN/01
G. ALARM LIST
855
Number ContentsMessage
211 G31 (HIGH) NOT ALLOWED IN G99 G31 is commanded in the per revolution command when the high–
speed skip option is provided. Modify the program.
212 ILLEGAL PLANE SELECT The direct drawing dimensions programming is commanded for the
plane other than the Z–X plane. Correct the program.
213 ILLEGAL COMMAND IN
SYNCHRO–MODE
Movement is commanded for the axis to be synchronously controlled.
214 ILLEGAL COMMAND IN
SYNCHRO–MODE
Coordinate system is set or tool compensation of the shift type is
executed in the synchronous control. Correct the program.
217 DUPLICATE G251 (COMMANDS) G51.2 or G251 is further commanded in the polygon machining
mode. Modify the program.
218 NOT FOUND P/Q COMMAND IN
G251
P or Q is not commanded in the G251 block, or the command value
is out of the range. Modify the program.
219 COMMAND G250/G251
INDEPENDENTLY
G251 and G250 are not independent blocks.
220 ILLEGAL COMMAND IN
SYNCHR–MODE
In the synchronous operation, movement is commanded by the NC
program or PMC axis control interface for the synchronous axis.
221 ILLEGAL COMMAND IN
SYNCHR–MODE
Polygon machining synchronous operation and axis control or bal-
ance cutting are executed at a time. Modify the program.
224 RETURN TO REFERENCE POINT Not returned to reference point before cycle start.
225 SYNCHRONOUS/MIXED CONTROL
ERROR
(only with two path control only)
This alarm is generated in the following circumstances. (Searched for
during synchronous and mixed control command.
1 When there is a mistake in axis number parameter setting.
2 When there is a mistake in control commanded.
Modify the program or the parameter.
226 ILLEGAL COMMAND IN
SYNCHRO–MODE
(only with two path control only)
A travel command has been sent to the axis being synchronized in
synchronous mode. Modify the program or the parameter.
229 CAN NOT KEEP SYNCHRO–STATE
(only with two path control only)
This alarm is generated in the following circumstances.
1 When the synchro/mixed state could not be kept due to system
overload.
2 The above condition occurred in CNC devices (hardware) and
synchro–state could not be kept.
(This alarm is not generated in normal use conditions.)
231 FORMAT ERROR IN G10 OR L50 Any of the following errors occurred in the specified format at the pro-
grammable–parameter input.
1 Address N or R was not entered.
2 A number not specified for a parameter was entered.
3 The axis number was too large.
4 An axis number was not specified in the axis–type parameter.
5 An axis number was specified in the parameter which is not an
axis type.
6 An attempt was made to reset bit 4 of parameter 3202 (NE9) or
change parameter 3210 (PSSWD) when they are protected by a
password. Correct the program.
232 ILLEGAL AXIS COMMAND IN
HELICAL
Three or more axes were specified as helical axes in the helical inter-
polation mode.
233 DEVICE BUSY When an attempt was made to use a unit such as that connected via
the RS–232–C interface, other users were using it.
239 BP/S ALARM While punching was being performed with the function for controlling
external I/O units ,background editing was performed.