ServoMR-J4Verification pending — cross-check with the official manual
MR-J4 AL.70 — Load-side encoder initial communication error 1
Trip — immediate stop
CAUSE
Why does it occur?
- - An error occurred in the initial communication between the load-side encoder and servo amplifier
- Detail No
- Detail name Cause Check method Check result Action Target
REMEDY · Step by step
How to fix it?
Check the load-side encoder cable
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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