ServoMR-J4Verified · sol.ls-electric.com
MR-J4 AL.45 — Main circuit device overheat
Trip — immediate stop
CAUSE
Why does it occur?
- - Inside of the servo amplifier overheated. Detail No. Detail name Cause Check method Check result Action Target 45.1 Main circuit device overheat error 1 (
- Ambient temperature has exceeded 55 . Check the ambient temperature. It is over 55 . Lower the ambient temperature. [A] [B] [WB] [RJ010] [GF] It is less than 55 . Check (2). (
- The close mounting is out of specifications. Check the speci
REMEDY · Step by step
How to fix it?
Check the ambient temperature and reduce the duty cycle
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 ↗