ServoMR-J4Verification pending — cross-check with the official manual
MR-J4 AL.19 — Memory error 3 (Flash-ROM)
Trip — immediate stop
CAUSE
Why does it occur?
- - A part (Flash-ROM) in the servo amplifier is failure. Detail No. Detail name Cause Check method Check result Action Target 19.1 Flash-ROM error 1 (
- The Flash-ROM is malfunctioning. Disconnect the cables except for the control circuit power supply, and then check the repeatability. It is repeatable. Replace the servo amplifier. [A] [B] [WB] [RJ010] [GF] It is not repeatable. Check (2). (
- Some
REMEDY · Step by step
How to fix it?
Replace the servo amplifier
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.
Open official manual ↗