PLCFX5UVerification pending — cross-check with the official manual
FX5U 33F5H — Program structure error
Warning — monitor
CAUSE
Why does it occur?
• The step ladder instruction is programmed in the project for which the SFC program setting of the CPU parameter is set to "Use".
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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