Yaskawa PC NC - Manual (Page 238)

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YASNAC PCNC Operating Manual Appendix 2: Alarm Tables
Alarm No. : 3361 to 3365 ( Wire break in current instruction cable )
Contact your Yaskawa representative after checking the following :
1. Whether the alarm occurs immediately after the control power is turned ON.
2. Whether an alarm other than current instruction cable breakage occurs.
Alarm No.: 3371 to 3375 ( Open Phase Detection )
Contact your Yaskawa representative after checking the following :
1. Whether the alarm occurs immediately after the control power is turned ON.
2. Whether an alarm occurs after turniong ON the main power.
Alarm No. : 3021 to 3025 ( Fuse Blown )
1. The Main circuit of the servo unit is faulty.
2. The servo unit detects an error.
3. Contact your Yaskawa representative.
Alarm No. : 3101 - 3105 ( Servo Alarm )
1. This alarm occurs when the NC unit detects the alarm signal output from
the servo unit.
Alarm No. : 3111 to 3115 ( Servo Communication Alarm )
1. Probable causes of this alarm are broken YENET1200 communication
cable, loose cable connection, and communication processing error.
2. The servo unit detects thew alarm.
3. Contact your Yaskawa representative after making sure the cable is
securly connected.
Alarm No. : 3141 to 3145 ( Overrun Prevention )
1. The encoder is faulty.
2. The servo unit detects the alarm.
3. Contact your Yaskawa representative.
Alarm No. : 3151 to 3155 ( Phase Detection Error )
1. The encoder signal cable or the encoder itself is faulty.
2. The servo unit detects an error.
3. Contact your Yaskawa representative.