Mitsubishi A1SD75M3

14 - 75
MELSEC-A
14 TROUBLESHOOTING
Relevant buffer memory
address
Axis 1 Axis 2 Axis 3
Servo status at
warning occurrence
Checking method Remedy
Repair cable or change battery.
Servo ON continued
Change battery.
120 270 420 Servo ON continued
Remove the cause of droop pulse
occurrence.
Servo ON continued
Call the status display and check
regenerative load ratio.
1. Reduce frequency of positioning.
2. Change regenerative brake option for the
one with larger capacity.
3. Reduce load.
Servo ON continued
Refer to overload 1 (error code: 2050)
or overload 2 (error code: 2051) in
section "14.2.4 Errors detected by MR-
J2-B".
Refer to overload 1 (error code: 2050) or
overload 2 (error code: 2051) in section
"14.2.4 Errors detected by MR-J2-B".
Take noise suppression measures.
Servo ON continued
Change the servomotor.
Refer to section "5.2.9
Servo parameters for MR-
J2-B".
Servo ON continued
Set correctly.
123 273 423 Servo OFF
Ensure safety and deactivate emergency
stop.
SSCNET cable continuity check Repair or change the cable.
Change the servo amplifier.
Servo OFF
Change the AD75.
Servo OFF Switch ON main circuit power.