PLCFX5UVerification pending — cross-check with the official manual
FX5U 4166H — Online registration error
Warning — monitor
CAUSE
Why does it occur?
• The operation cannot be performed because an online change is being executed from the same activation source.
REMEDY · Step by step
How to fix it?
- • An online change cannot be executed because the previous online change failed and remains unprocessed due to a reason such as a communication failure during execution
- Execute the new online change forcibly
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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