ServoMR-J4Verified · sol.ls-electric.com
MR-J4 AL.42 — Servo control error (for linear servo motor and direct drive motor)
Trip — immediate stop
CAUSE
Why does it occur?
- - A fully closed loop control error has occurred. Detail No. Detail name Cause Check method Check result Action Target 42.8 Fully closed loop control error by position deviation (
- The resolution of the load-side encoder setting differs from the setting value. Check the setting of [Pr. PE04] and [Pr. PE05]. The setting is incorrect. Set it correctly. [A] [B] [WB] [GF] The setting is correct. Chec
REMEDY · Step by step
How to fix it?
Replace the amplifier
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 ↗