Mitsubishi Electric MR-J2-03B5, Instruction Manual

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8. TROUBLESHOOTING
8.3 Remedies for warnings
If E6, E7 or E9 occurs, the servo off status is established. If any other warning occurs, operation can be
continued but an alarm may take place or proper operation may not be performed. Eliminate the cause of
the warning according to this section. Use the optional servo configuration software to refer to the cause
of warning.
Display Name Definition Cause Action
E1 Overload
warning There is a possibility that
overload alarm 1 or 2
may occur. Load increased to 85% or more of overload
alarm 1 or 2 occurrence level.
Cause, checking method
Refer to 50,51.
Refer to 50, 51.
E4 Parameter
warning Parameter outside
setting range Parameter value set from servo system
controller is outside setting range Set it correctly.
E6 Servo forced stop
warning EM1-P24G are open. External forced stop was made valid.
(EM1-P24G opened.) Ensure safety and deactivate
forced stop.
E7 Controller
emergency stop
warning Emergency stop signal was entered into
the servo system controller. Ensure safety and deactivate
emergency stop.
E9 Main circuit off
warning Servo-on (SON) was
switched on with main
circuit power off. Switch on main circuit power.