
3
1
4
5
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7
8
9
10
2
378
Number ContentsMessage
218 NOT FOUND P/Q
COMMAND IN G251
(T series)
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 (T series)
G251 and G250 are not independent
blocks.
220 ILLEGAL COMMAND IN
SYNCHR–MODE (T series)
In the synchronous operation, move-
ment is commanded by the NC pro-
gram or PMC axis control interface
for the synchronous axis.
221 ILLEGAL COMMAND IN
SYNCHR–MODE (T series)
Polygon machining synchronous op-
eration and axis control or balance
cutting are executed at a time.
Modify the program.
222 DNC OP. NOT ALLOWED IN
BG.–EDIT (M series)
Input and output are executed at a
time in the background edition.
Execute a correct operation.
224
RETURN TO REFERENCE
POINT
(M series)
Reference position return has not
been performed before the automat-
ic operation starts. Perform refer-
ence position return only when bit 0
of parameter 1005 is 0.
TURN TO REFERENCE
POINT
(T series)
Reference position return is neces-
sary before cycle start.
225 SYNCHRONOUS/MIXED
CONTROL ERROR
(T series (At two–path))
This alarm is generated in the follow-
ing circumstances. (Searched for
during synchronous and mixed con-
trol command.)
1) When there is a mistake in axis
number parameter (No. 1023)
setting.
2) When there is a mistake in con-
trol commanded.
Modify the program or the parameter.
226 ILLEGAL COMMAND IN
SYNCHRO–MODE
(T series (At two–path))
A travel command has been sent to
the axis being synchronized in syn-
chronous mode. Modify the program
or the parameter.
229 CAN NOT KEEP
SYNCHRO–STATE
(T series (2–path control))
This alarm is generated in the follow-
ing circumstances.
1) When the synchro/mixed state
could not be kept due to system
overload.
2) The above condition occurred in
CMC devices (hardware) and
synchro–state could not be kept.
(This alarm is not generated in nor-
mal use conditions.)
230 R CODE NOT FOUND
(M series (grinding
machine))
The infeed quantity R has not been
instructed for the G161 block. Or the
R command value is negative.
Modify the program.