3. PROGRAM ERROR
I - 73
Error No. Details Remedy
P438 NOT USE (G52)
A local coordinate system command was
issued during execution of the G54.1
command.
• Review the program.
P450 NO CHUCK BARR.
The chuck barrier on command (G22)
was specified although the chuck barrier
was undefined in the specification.
• Check the specification.
P460 TAPE I/O ERROR
• An error has arisen in the tape reader or‚
alternatively‚ in the printer during macro
printing.
• Restart search was attempted in the tape
mode (tape/IC card operation) without a
search operation after a reset upon a
restart search.
• Check the power and cable of the connected
devices.
• Check the I/O device parameters.
• Insert the IC card.
• After reset, always perform a search
operation to have the head of program
indexed prior to a restart search.
P461 FILE I/O ERROR
A file of the machining program cannot
be read.
• In memory mode, the programs stored in
memory may have been destroyed. Output
all of the programs and tool data once and
format them.
• Ensure that the external device that contains
the file is mounted.
P462 DNC ERROR
A communication error occurred during
the BTR operation.
• L01 DNC ERROR is displayed
simultaneously, so remedy the problem
according to the error No.
P480 NO MILL SPEC
• Milling was commanded when the milling
specifications were not provided.
• Pole coordinate interpolation was
commanded when the pole coordinate
interpolation specifications were not
provided.
• Check the specification.
P481 MILL ILL. G
• An illegal G code was used during the
milling mode.
• An illegal G code was used during
cylindrical interpolation or pole coordinate
interpolation.
• The G07.1 command was issued during
the tool radius compensation.
• Check the program.
