PLCFX5UVerification pending — cross-check with the official manual
FX5U 3040H — Update error
Warning — monitor
CAUSE
Why does it occur?
• The update file which is used for the firmware update is not compatible with the models and serial numbers of the target CPU module and intelligent function module.
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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