
B–63525EN/02
11.TROUBLESHOOTING
831
For an explanation of the following SPC alarms (serial pulse coder
alarms), refer to the FANUC SERVO MOTOR αi series Maintenance
Manual (B–65285EN) or FANUC SERVO MOTOR α series
Maintenance Manual (B–65165E).
Number Message Contents
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.
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
received.
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) An LED error occured in the separate detector.
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
detector.
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.
11.41
SPC ALARMS