ServoMR-J4Verified · sol.ls-electric.com
MR-J4 AL.2A — 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.)
REMEDY · Step by step
How to fix it?
Check the linear encoder mounting and adjust the scale/head positions; contact the encoder maker.
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
Verified · sol.ls-electric.com
Open PDF ↗LS Electric official manual
p.52