PLCFX5UVerification pending — cross-check with the official manual
FX5U 4402H — Security function error
Warning — monitor
CAUSE
Why does it occur?
• Write password authentication has failed when required. • The file password format is incorrect.
REMEDY · Step by step
How to fix it?
• Set the correct write password and perform password authentication. • Access the file with the correct method.
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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