Troubleshooting At Power On - Mitsubishi Electric MR-J4-*B-RJ010 Series Instruction Manual

6. TROUBLESHOOTING

6.2 Troubleshooting at power on

When an error occurs at the power supply of the controller or servo amplifier, improper boot of the servo
amplifier might be the cause. Check the display of the servo amplifier, and take actions according to this
section.
Display Description
AA The power of the simple
motion module was
turned off.
Ab Initialization
communication with the
controller has not
completed.
Ab. The initialization of the
servo amplifier has not
completed.
Cause
The power of the simple Review the power of the simple
motion module was motion module.
turned off.
A CC-Link IE cable was "AA" is displayed in the
disconnected. corresponding station and
following stations.
Check if the connectors (CN10A,
CN10B) are unplugged.
The setting of the station Check that a device is not
No. is incorrect. assigned to the same station No.
The station No. of the Check the settings and station
simple motion module is No. of the simple motion module.
not matched.
A CC-Link IE cable was "Ab" is displayed in the
disconnected. corresponding station and
following stations.
The power of the servo Review the power of the simple
amplifier was turned on motion module.
while the power of the
simple motion module
was off.
MR-J3-T10 is "Ab" is displayed in the
malfunctioning. corresponding station and
following stations.
The servo amplifier is "Ab" is displayed in the
malfunctioning. corresponding station and
following stations.
The simple motion Replace the simple motion
module is malfunctioning. module and check the
repeatability.
A CC-Link IE cable was
"Ab." is displayed in the
disconnected. corresponding station and
following stations.
The power of the servo Review the power of the simple
amplifier was turned on motion module.
while the power of the
simple motion module
was off.
MR-J3-T10 is "Ab." is displayed in the
malfunctioning. corresponding station and
following stations.
The servo amplifier is "Ab." is displayed in the
malfunctioning. corresponding station and
following stations.
The simple motion Replace the simple motion
module is malfunctioning. module and check the
repeatability.
Communication cycle Check the communication cycle
does not match. on the simple motion module
side.
Number of using stations is 8 or
less: 0.888 ms
Number of using stations is 16 or
less: 1.777 ms
6 - 6
Checkpoint
Turn on the power of the simple
motion module.
Replace the CC-Link IE cable of
the corresponding station.
Connect it correctly.
Set it correctly.
Set it correctly.
Replace the CC-Link IE cable of
the corresponding station.
Turn on the power of the simple
motion module.
Replace the MR-J3-T10.
Replace the servo amplifier.
Replace the simple motion
module.
Replace the CC-Link IE cable of
the corresponding station.
Turn on the power of the simple
motion module.
Replace the MR-J3-T10.
Replace the servo amplifier.
Replace the simple motion
module.
Set it correctly.
Action