Mitsubishi Electric Melservo-J4 Instruction Manual page 99

Alarm No.: 8D Name: CC-Link IE communication error
 MR-J3-T10 came off.
Alarm content
 An error occurred in CC-Link IE communication.
Detail Detail name Cause
No.
8D.1 CC-Link IE (1)
communication
error 1
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
8D.2 CC-Link IE Check it with the check method for [AL. 8D.1].
communication
error 2
8D.3 Master station (1)
setting error 1
(2)
(3)
(4)
(5)
Check method
The MR-J3-T10 came Check if [AL. 74 Option
off during the CC-Link card error 1] occurred
IE communication. with alarm history.
The Ethernet cable was Check the Ethernet cable
disconnected. connection.
The CC-Link IE Check if the
communication was communication was
disconnected by using disconnected by using
a wrong procedure. the correct procedure.
The wiring of the Check if the wiring of
Ethernet cable was Ethernet cable is correct.
incorrect.
An Ethernet cable was Check if the Ethernet
disconnected. cable is malfunctioning.
The transmission status Check the noise, ambient
of the CC-Link IE temperature, etc.
communication is
abnormal.
MR-J3-T10 is Replace the MR-J3-T10,
malfunctioning. and then check the
repeatability.
The servo amplifier is Replace the servo
malfunctioning. amplifier, and then check
the repeatability.
The master station is Check if the master
malfunctioning. station is malfunctioning.
The station No. is set to Check the [Pr. Po02]
a value other than 1 to setting.
120 with the master
station.
The network number is Check the [Pr. Po03]
set to a value other than setting.
1 to 239 with the master
station.
MR-J3-T10 is Replace the MR-J3-T10,
malfunctioning. and then check the
repeatability.
The servo amplifier is Replace the servo
malfunctioning. amplifier, and then check
the repeatability.
The master station is Check if the master
malfunctioning. station is malfunctioning.
Check result
It is occurring.
It did not occur.
It is disconnected.
It is connected.
The communication was
disconnected by using a
wrong procedure.
The communication was
disconnected by using
the correct procedure.
The wiring is incorrect.
The wiring is correct.
It has a failure.
It has no failure.
It has a failure.
It has no failure.
It is not repeatable.
It is repeatable.
It is not repeatable.
It is repeatable.
It has a failure.
The setting value is
incorrect.
The setting value is
correct.
The setting value is
incorrect.
The setting value is
correct.
It is not repeatable.
It is repeatable.
It is not repeatable.
It is repeatable.
It has a failure.
1 TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
Action Target
Check it with the check [RJ010]
method for [AL. 74].
Check (2).
Turn off the control circuit [RJ010]
power supply of the [GF]
servo amplifier, and then
connect the Ethernet
cable.
Check (3).
Follow the correct
procedure for
disconnecting the
communication.
Check (4).
Wire it correctly.
Check (5).
Replace the Ethernet
cable.
Check (6).
Take countermeasures
against its cause.
Check (7).
Replace the MR-J3-T10.
Check (8).
Replace the servo [RJ010]
amplifier.
Check (9).
Replace the master [RJ010]
station. [GF]
Set it correctly. [RJ010]
Check (2).
Set it correctly.
Check (3).
Replace the MR-J3-T10.
Check (4).
Replace the servo
amplifier.
Check (5).
Replace the master
station.
1.4 Remedies for alarms
1
97