PLCFX5UVerification pending — cross-check with the official manual
FX5U 3514H — Operation error
Warning — monitor
CAUSE
Why does it occur?
• The auto tuning result in the step response method is abnormal. • The deviation at end of auto tuning is 1/3 or less of the deviation at start of auto tuning.
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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