ServoMR-J4Verified · sol.ls-electric.com
MR-J4 AL.3E — Operation mode error
Trip — immediate stop
CAUSE
Why does it occur?
The operation mode setting was changed (e.g. wrong controller connection in J3 compatibility mode).
REMEDY · Step by step
How to fix it?
Restore the correct operation mode and controller connection.
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
Verified · sol.ls-electric.com
Open PDF ↗LS Electric official manual
p.63