ServoMR-J4Verification pending — cross-check with the official manual
MR-J4 AL.3 — Operation mode error
Trip — immediate stop
CAUSE
Why does it occur?
- - The operation mode setting was changed. Detail No. Detail name Cause Check method Check result Action Target 3E.1 Operation mode error (
- The MR-J4 servo amplifier used in J3 compatibility mode was connected to the other SSCNET /H controller. Or an MR-J4 servo amplifier which was connected to SSCNET /H controller was connected to another SSCNET controller. Check if the connection was change
REMEDY · Step by step
How to fix it?
Check the operation mode parameter setting and reset it to the correct mode
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
Summary based on the official Mitsubishi Electric manual. For accurate and complete information, always consult the official manual.
Open official manual ↗