Mitsubishi Electric QD77MS User Manual page 891

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 that are independent of an axis 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 does not use the axis 1.)
Error code: 001, 002, 107, 190, 800, 802, 805, 999
When an alarm occurs on servo amplifier, the alarm No. displayed in LED of servo
amplifier is stored in the following buffer memory address ([Md.114] Servo alarm).
Check the error details and remedies by this servo alarm details.
Buffer memory address
Axis No.
QD77MS2
1 888
2 988
3
4
5
to
16
QD77MS4 QD77MS16
888 2488
988 2588
1088 2688
1188 2788
2888
to
3988
16 - 11
Chapter 16 Troubleshooting