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Chapter 16 Troubleshooting
(3) Servo amplifier detection errors
These are errors that occur at the hardware error such as servo amplifier and
servomotor or the servo parameter error.
Servo is turned off at the error occurrence, and axis stop. If you remove an
error factor, reset the servo amplifier.
(4) Types of error codes
Error code Classification of errors
001 to 009 Fatal errors
100 to 199 Common errors
200 to 299 OPR or absolute position restoration errors
300 to 399 JOG operation or inching 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 1199 Parameter setting range errors
1201 to 1209 Encoder errors
2000 to 2999 Servo amplifier errors
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.
QD77MS2 QD77MS4 QD77MS16
Axis No.
Error detection
signal
Buffer memory
address
Error detection
signal
Buffer memory
address
Error detection
signal
Buffer memory
address
1 X8 806 X8 806 2406
2 X9 906 X9 906 2506
3 XA 1006 2606
4 XB 1106 2706
5 2806
to to
16
Md.31
Status: b13
3906
A new error code is stored in the buffer memory address (
Md.23
Axis error No.)
for axis error storage every time an error occurs.
POINT
When any of the following errors is detected, it is stored in the axis error No. of axis
1. (These errors are stored in the axis error No. of axis 1 for the system which not
use the axis 1.)
Error code:001, 002, 107, 190, 800, 802, 805, 999
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