PLCFX5UVerification pending — cross-check with the official manual
FX5U 3584H — Operation error
Warning — monitor
CAUSE
Why does it occur?
• The writing failed because the write protect switch of the SD memory card is enabled (the writing is prohibited).
REMEDY · Step by step
How to fix it?
Continue/ stop*1
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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