PLCFX5UVerification pending — cross-check with the official manual
FX5U 4C17H — CPU module backup/restoration function error
Warning — monitor
CAUSE
Why does it occur?
• The backed up CPU module and restoration target destination CPU module models were different when restoration was executed.
REMEDY · Step by step
How to fix it?
• Execute restoration again with the same CPU module model as the backed up CPU module.
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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