PLCFX5UVerification pending — cross-check with the official manual
FX5U 2281H — Parameter error (refresh)
Alarm — operational, inspection needed
CAUSE
Why does it occur?
• A device that cannot be used as a refresh device is specified.
REMEDY · Step by step
How to fix it?
Stop
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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