ServoMR-J4Verification pending — cross-check with the official manual
MR-J4 AL.67 — Encoder normal communication error 1 (safety observation function)
Trip — immediate stop
CAUSE
Why does it occur?
- - An error has occurred in the communication between an encoder and servo amplifier. Detail No. Detail name Cause Check method Check result Action Target 67.1 Encoder normal communication - Receive data error 1 (safety observation function) (
- An encoder cable is malfunctioning. Check if the encoder cable is disconnected or shorted. It has a failure. Repair or replace the cable. [A] [B] [GF] It h
REMEDY · Step by step
How to fix it?
An English description for this code is being prepared. Please refer to the official manufacturer manual, or view the Korean original. 한국어 원문 보기 →
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.
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