Mitsubishi Electric MELSERVO MR-J2S- A Instruction Manual page 207

10. TROUBLESHOOTING
Display Name
AL.E5 ABS time-out
warning
AL.E6 Servo emergency
stop warning
AL.E9 Main circuit off
warning
AL.EA ABS
servo-on warning
Definition
EMG is off.
Servo-on (SON) was
switched on with main
circuit power off.
Servo-on (SON) turned on
more than 1s after servo
amplifier had entered
absolute position data
transfer mode.
Cause
1. PC lader program wrong.
2. Reverse rotation start (ST2) Limiting
torque (TLC) improper wiring
External emergency stop was made valid.
(EMG was turned off.)
1. PC ladder program wrong.
2. Servo-on (SON) improper wiring.
10 - 14
Action
Contact the program.
Connect properly.
Ensure safety and deactivate
emergency stop.
Switch on main circuit power.
1. Correct the program.
2. Connect properly.