ServoMR-J4Verification pending — cross-check with the official manual
MR-J4 AL.2 — Linear encoder error 1
Trip — immediate stop
CAUSE
Why does it occur?
- - An error of the linear encoder was detected. (The details vary depending on the linear encoder manufacturer.) Detail No. Detail name Cause Check method Check result Action Target 2A.1 Linear encoder error 1-1 (
- Mounting condition of the linear encoder and head is failure. Adjust the positions of the scale and head, and then check the repeatability. It is not repeatable. Use the equipment at th
REMEDY · Step by step
How to fix it?
Check the connection of the linear scale cable and connector, and consider replacement
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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