PLCFX5UVerification pending — cross-check with the official manual
FX5U 419AH — CPU module built-in Ethernet port error
Warning — monitor
CAUSE
Why does it occur?
• A system error or setting data error in the OS (Malfunctions caused by noise and others and hardware failure are the possible causes.)
REMEDY · Step by step
How to fix it?
• If the same error is displayed again after checking, there may be a hardware failure in the 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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