CHAPTER 4 APPENDICES
Appendix 3. Alarm Messages
IV
– 45
Error No.
Message
Details
Remedy
PR0452 Movement
limit
When the axis movement start
point or end point is in the
prohibited area designated with
the pre-movement stroke check
function, an alarm will occur
before executing that movement
block.
• Reconsider the axis address
coordinate value in the program.
PR0460 Tape I/O error
An error has arisen in the tape
reader or, alternatively, in the
printer during macro printing.
• Check the power supply and
cable of the connected devices.
Check the input/output device
parameters.
PR0461 File
I/O
A file of the machining program
cannot be read.
• If this error occurs during
memory operation, the program
stored in the memory may be
destroyed.
• Output the program and all
other tool data and work offset
data, then format the memory.
• When using the FD, replace the
floppy disk.
• During IC card operation,
confirm that the IC card is
correctly inserted.
PR0462 Computer Link error A communication error occurred
during computer link A, B,
high-speed server running.
• After resetting, check the cables
and power supply of the
connected devices, and
computer link parameters.
PR0463 Read forced quit
The process was interrupted
during input/output by resetting.
• Carry out input/output again.
PR0470 No Computer Link A Computer link A was executed
even though there are no
computer link A specifications.
• Check the specifications.
PR0471 No Computer Link B Computer link B was executed
even though there are no
computer link B specifications.
• Check the specifications.
PR0490 No disk operation
Disk operation was attempted
even though there are no disk
operation specifications.
• Check the specifications.
PR0491 No FLD operation
FLD operation was attempted
even though there are no FLD
operation specifications.
• Check the specifications.
PR0492 No IC card operation IC card operation was attempted
even though there are no IC card
operation specifications.
• Check the specifications.
PR0493 No
dataserver
operation
Data server operation was
attempted when the data server
operation specifications were not
available.
• Check the specifications.
PR0600 No auto TLM
An automatic tool length
measurement command (G37)
was executed even though there
are no such command
specifications.
• Check the specifications.
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