ServoMR-JEVerification pending — cross-check with the official manual
MR-JE AL.90 — Fan cooling warning
Warning — monitor
CAUSE
Why does it occur?
- The cooling fan rotation speed dropped below the specified level
- Fan may be near end of life or obstructed
REMEDY · Step by step
How to fix it?
- Check for obstructions around the cooling fan
- If rotation speed does not recover, 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.
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