PLCFX5UVerification pending — cross-check with the official manual
FX5U 4C1CH — CPU module backup/restoration function error
Warning — monitor
CAUSE
Why does it occur?
• An SD memory card is not inserted. • The SD memory card turned to disable status by SM606 (SD memory card forcibly disable command). • The SD memory card is write-protected.
REMEDY · Step by step
How to fix it?
• Insert or re-insert an SD memory card, and execute the function again. • Enable the SD memory card operation, and execute the function again. • Cancel the write protection, and execute the function again.
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.
Open official manual ↗