ServoMR-J4Verification pending — cross-check with the official manual
MR-J4 AL.98 — Software limit warning
Trip — immediate stop
CAUSE
Why does it occur?
- - A software limit set with the parameter was reached for the positioning function. Detail No. Detail name Cause Check method Check result Action Target 98.1 Forward rotation-side software stroke limit reached (
- A software limit was set within the actual operation range. Check if the parameter settings ([Pr. PT15] to [Pr. PT18]) to the operation range are correct. The setting was out of operatio
REMEDY · Step by step
How to fix it?
Check the gain and the mechanical wear condition.
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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