ServoMR-J4Verification pending — cross-check with the official manual
MR-J4 AL.75 — Option card error 2
Trip — immediate stop
CAUSE
Why does it occur?
- - MR-J3-T10 came off. Detail No. Detail name Cause Check method Check result Action Target 75.3 Option card connection error (
- MR-J3-T10 came off. Check if the MR-J3-T10 is mounted correctly. It is not mounted correctly. Install it correctly. [RJ010] It is mounted correctly. Check (2). (
- MR-J3-T10 is malfunctioning. Replace the MR-J3-T10, and then check the repeatability. It is not repeatable.
REMEDY · Step by step
How to fix it?
Review the load condition and readjust the gain
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 ↗