Mitsubishi Electric MELSERVO-J4 MR-J4 TM Instruction Manual page 113

4. STARTUP
4.3.3 Status display of an axis
(1) Display sequence
(Network communication begins)
When alarm occurs,
its alarm code
appears.
The segment of the last 2 digits shows the axis number
Note 1.
Axis Axis
No. 1 No. 2
2. For the EtherCAT, turning off the controller power in the "Operational" state triggers [AL. 86.1 Network communication error 1].
Servo amplifier power on
System check in progress
Waiting for controller power to switch on
(Network communication)
Controller power on
Initial data communication
with the controller
(initialization communication)
(Note 1)
Ready-off and servo-off
Ready-on
(Note 1)
Ready-on and servo-off
Servo-on
(Note 1)
Ready-on and servo-on
Ordinary operation
Controller power off
(Note 2)
Controller power on
When an alarm No. or warning No. is displayed
Example:
Example:
During a non servo-off causing warning,
the decimal point on the third digit LED
shows the servo-on status.
4 - 10
When [AL. 50 Overload 1]
occurs at axis No. 1
Flickering
After 0.8 s
Flickering
After 0.8 s
Blank
When [AL. E1 Overload warning 1]
occurs at axis No. 1
Flickering
After 0.8 s
Flickering
After 0.8 s
Blank
Alarm reset or warning cleared