Mitsubishi Electric Melservo-J5 MR-J5 Series User Manual page 23

[AL. 017.9_Board error 8]
Cause
1.
There is an abnormality in the surrounding
environment.
2.
The servo amplifier is malfunctioning.
Check/action method
Check the noise, ambient temperature, and others, and implement appropriate
countermeasures for the cause.
If there is noise, take countermeasures to reduce the noise.
Refer to "Noise reduction techniques" in the following manual.
MR-J5 User's Manual (Hardware)
Replace the servo amplifier.
1 SERVO AMPLIFIER TROUBLESHOOTING
1.3 Handling methods for alarms/warnings
1
Model
[G]
21