
APPENDIXA. ALARM LIST
B–63665EN/01
362
Number ContentsMessage
307 APC alarm: nth–axis battery low 1 nth–axis (n=1 to 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 to 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.
4) Serial pulse coder (SPC) alarms
When either of the following alarms is issued, a possible cause is a faulty serial pulse coder or cable.
Number Message Description
360 n AXIS : ABNORMAL CHECKSUM
(INT)
A checksum error occurred in the built–in pulse coder.
361 n AXIS : ABNORMAL PHASE DATA
(INT)
A phase data error occurred in the built–in pulse coder.
362 n AXIS : ABNORMAL REV.DATA
(INT)
A rotation speed count error occurred in the built–in pulse coder.
363 n AXIS : ABNORMAL CLOCK (INT) A clock error occurred in the built–in pulse coder.
364 n AXIS : SOFT PHASE ALARM (INT) The digital servo software detected invalid data in the built–in pulse
coder.
365 n AXIS : BROKEN LED (INT) An LED error occurred in the built–in pulse coder.
366 n AXIS : PULSE MISS (INT) A pulse error occurred in the built–in pulse coder.
367 n AXIS : COUNT MISS (INT) A count error occurred in the built–in pulse coder.
368 n AXIS : SERIAL DATA ERROR
(INT)
Communication data from the built–in pulse coder cannot be re-
ceived.
369 n AXIS : DATA TRANS. ERROR
(INT)
A CRC or stop bit error occurred in the communication data being
received from the built–in pulse coder.
380 n AXIS : BROKEN LED (EXT) The separate detector is erroneous.
381 n AXIS : ABNORMAL PHASE
(EXT LIN)
A phase data error occurred in the separate linear scale.
382 n AXIS : COUNT MISS (EXT) A pulse error occurred in the separate detector.
383 n AXIS : PULSE MISS (EXT) A count error occurred in the separate detector.
384 n AXIS : SOFT PHASE ALARM
(EXT)
The digital servo software detected invalid data in the separate de-
tector.
385 n AXIS : SERIAL DATA ERROR
(EXT)
Communication data from the separate detector cannot be received.
386 n AXIS : DATA TRANS. ERROR
(EXT)
A CRC or stop bit error occurred in the communication data being
received from the separate detector.
387 n AXIS : ABNORMAL ENCODER
(EXT)
An error occurs in the separate detector. For details, contact the
manufacturer of the scale.