3. PROGRAM ERROR
I - 72
Error No. Details Remedy
P396 PL CHG. (GEOMT)
A plane switching command was
executed during geometric command
processing.
• Execute the plane switching command
before geometric command processing.
P397 ARC ERR (GEOMT)
In geometric IB‚ the circular arc end point
does not contact or cross the next block
start point.
• Recheck the geometric circular arc command
and the preceding and following commands.
P398 NO GEOMETRIC 1B
Although the geometric IB specifications
are not included‚ a geometric command
is given.
• Check the specifications.
P421 PRAM. IN ERROR
• The specified parameter number or set
data is illegal.
• An illegal G command address was
input in parameter input mode.
• A parameter input command was input
during fixed cycle modal or nose R
compensation.
• Check the program.
P430 AXIS NOT RET.
• A command was issued to move an
axis‚ which has not returned to the
reference point‚ away from that
reference point.
• A command was issued to an axis
removal axis.
• Execute reference point return manually.
• The command was issued to an axis for
which axis removal is validated so invalidate
axis removal.
P431 NO 2nd REF. SPC
A command for second‚ third or fourth
reference point return was issued though
there are no such command
specifications.
• Check the specifications.
P434 COLLATION ERR
One of the axes did not return to the start
position when the origin point collate
command (G27) was executed.
• Check the program.
P435 G27/M ERROR
An M command was issued
simultaneously in the G27 command
block.
• An M code command cannot be issued in a
G27 command block and so the G27
command and M code command must be
placed in separate blocks.
P436 G29/M ERROR
An M command was issued
simultaneously in the G29 command
block.
• An M code command cannot be issued in a
G29 command block and so the G29
command and M code command must be
placed in separate blocks.