Mitsubishi Electric Melservo-J4 Instruction Manual page 96

Alarm No.: 85
Alarm content
Detail Detail name
No.
85.1 Network module
error 1
85.2 Network module
error 2
85.3 Network module
error 3
1 TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
94
1.4 Remedies for alarms
Name: Network module error
 The network module was disconnected.
 An error occurred in the network module. (Refer to section 1.7.)
Cause Check method
(1) The network module Check if the network
was disconnected. module is connected
correctly.
(2) A network cable was Check if the network
disconnected. cable is connected
correctly.
(3) The wiring of the Check if the wiring of
network cable was network cable is correct.
incorrect.
(4) A network cable was Check if the network
disconnected. cable is malfunctioning.
(5) The setting of the Check the controller
controller is incorrect. setting.
(6) Something near the Check the noise, ambient
device caused it. temperature, etc.
Refer to "Noise reduction
techniques" section in
each servo amplifier
instruction manual for the
noise reduction
techniques.
(7) The network module is Replace the network
malfunctioning. module, and then check
the repeatability.
(8) The servo amplifier is Replace the servo
malfunctioning. amplifier, and then check
the repeatability.
(9) The controller is Replace the controller,
malfunctioning. and then check the
repeatability.
Check it with the check method for [AL. 85.1].
Check result Action
It is not connected Connect it correctly.
correctly.
It is connected correctly. Check (2).
It is not connected. Connect it correctly.
It is connected. Check (3).
The wiring is incorrect. Wire it correctly.
The wiring is correct. Check (4).
It has a failure. Replace the network
cable.
It has no failure. Check (5).
It is incorrect. Review the settings.
It is correct. Check (6).
There is a problem in the Take countermeasures
surrounding. against its cause.
There is no problem in Check (7).
the surrounding.
It is not repeatable. Replace the network
module.
It is repeatable. Check (8).
It is not repeatable. Replace the servo
amplifier.
It is repeatable. Check (9).
It is not repeatable. Replace the controller.
Target
[Other]