FANUC Series 16/18/160/180-Model C Machining Center Operators Manual

APPENDIX
B–62764EN/01
G. ALARM LIST
893
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 – 8).
301 APC alarm: nth–axis communication nth–axis (n=1 – 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 – 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 – 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 – 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 – 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 – 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.
307 APC alarm: nth–axis battery low 1 nth–axis (n=1 – 8) axis APC battery voltage reaches a level where the
battery must be renewed.
APC alarm. Replace the battery.
308 APC alarm: nth–axis battery low 2 nth–axis (n=1 – 8) APC battery voltage has reached a level where the
battery must be renewed (including when power is OFF).
APC alarm .Replace battery.
309 APC ALARM : n AXIS ZRN
IMPOSSIBL
An attempt was made to perform reference position return without rotat-
ing the motor through one or more turns. Rotate the motor through one
or more turns, turn off the power then on again, then perform reference
position return.

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