
APPENDIX
B–63665EN/01
A. ALARM LIST
361
Number ContentsMessage
5237 READ ERROR A floppy disk in the built–in Handy File cannot be read from. The floppy
disk may be defective, or the head may be dirty. Alternatively, the Handy
File is defective.
5238 WRITE ERROR A floppy disk in the built–in Handy File cannot be written to. The floppy
disk may be defective, or the head may be dirty. Alternatively, the Handy
File is defective.
5242 ILLEGAL AXIS NUMBER
(M series)
The axis number of the synchronous master axis or slave axis is incor-
rect. (This alarm is issued when flexible synchronization is turned on.)
Alternatively, the axis number of the slave axis is smaller than that of the
master axis.
5303 TOUCH PANEL ERROR A touch panel error occurred.
Cause:
1. The touch panel is kept pressed.
2. The touch panel was pressed when power was turned on.
Remove the above causes, and turn on the power again.
5307 INTERNAL DATA OVER FLOW In the following function, internal data exceeds the allowable range.
1) Improvement of the rotation axis feedrate
2) Background edit alarm
Number Message Contents
???
BP/S alarm BP/S alarm occurs in the same number as the P/S alarm that occurs in
ordinary program edit.
(P/S alarm No. 070, 071, 072, 073, 074, 085 to 087)
Modify the program.
140 BP/S alarm It was attempted to select or delete in the background a program being
selected in the foreground. (NOTE)
Use background editing correctly.
NOTE
Alarm in background edit is displayed in the key input line of the background edit screen instead
of the ordinary alarm screen and is resettable by any of the MDI key operation.
3) Absolute pulse coder (APC) alarm
Number Message Contents
300 nth–axis origin return Manual reference position return is required for the nth–axis (n=1 to 8).
301 APC alarm: nth–axis communication nth–axis (n=1 to 8) APC communication error. Failure in data transmis-
sion
Possible causes include a faulty APC, cable, or servo interface module.
302 APC alarm: nth–axis over time nth–axis (n=1 to 8) APC overtime error.
Failure in data transmission.
Possible causes include a faulty APC, cable, or servo interface module.
303 APC alarm: nth–axis framing nth–axis (n=1 to 8) APC framing error. Failure in data transmission.
Possible causes include a faulty APC, cable, or servo interface module.
304 APC alarm: nth–axis parity nth–axis (n=1 to 8) APC parity error.
Failure in data transmission.
Possible causes include a faulty APC, cable, or servo interface module.
305 APC alarm: nth–axis pulse error nth–axis (n=1 to 8) APC pulse error alarm.
APC alarm.APC or cable may be faulty.
306 APC alarm: nth–axis battery voltage
0
nth–axis (n=1 to 8) APC battery voltage has decreased to a low level so
that the data cannot be held.
APC alarm. Battery or cable may be faulty.