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Chapter 16 Troubleshooting
(3) Servo amplifier detection errors
The errors that occur when the hardware error of the servo amplifier or servo
motor or the servo parameter error occurs.
The servo is turned off at the error occurrence and the axis stops.
Remove the error factor and reset the error, reset the controller, or turn the
servo amplifier power supply ON again from OFF.
(4) Types of error codes
Error code Classification of errors
001 to 009 Fatal errors
100 to 199 Common errors
200 to 299 OPR errors
300 to 399 JOG operation errors
400 to 499 Manual pulse generator operation errors
500 to 599 Positioning operation errors
600 to 699 Synchronous control input axis errors
700 to 799 Synchronous control output axis errors
800 to 899 I/F (Interface) errors
900 to 1099 Parameter setting range errors
1201 to 1209 Encoder errors
2000 to 2999 Servo amplifier errors
61440 to 61695 Errors for amplifier manufactured by Nikki Denso Co., Ltd.
61696 to 61951 Errors for inverter FR-A700 series
Error storage
When an error occurs, the error detection signal turns ON, and the error code
corresponding to the error details is stored in the following buffer memory address
([Md.23] Axis error No.) for axis error No. storage. Note that there is a delay of up
to operation cycle after the error detection signal turns ON until the error code is
stored.
Axis No.
QD77MS2 QD77MS4 QD77MS16
Error detection
signal
Buffer memory
address
Error detection
signal
Buffer memory
address
Error detection
signal
Buffer memory
address
1 X8 806 X8 806
[Md.31]
Status: b13
2406
2 X9 906 X9 906 2506
3 XA 1006 2606
4 XB 1106 2706
5
2806
to to
16 3906