ServoMR-J4Verification pending — cross-check with the official manual
MR-J4 AL.1 — Servo motor combination error
Trip — immediate stop
CAUSE
Why does it occur?
- - An encoder is malfunctioning. Detail No. Detail name Cause Check method Check result Action Target 1E.1 Encoder malfunction (
- An encoder is malfunctioning. Replace the servo motor, and then check the repeatability. It is not repeatable. Replace the servo motor. [A] [B] [WB] [RJ010] [GF] It is repeatable. Check (2). (
- Something near the device caused it. Check the noise, ambient temperature,
REMEDY · Step by step
How to fix it?
Check the motor code parameter setting and the amplifier-motor combination specification
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 ↗