PLCFX5UVerification pending — cross-check with the official manual
FX5U 0811H — Warning output alarm (lower limit)
Warning — monitor
CAUSE
Why does it occur?
The warning output alarm (lower limit side) has occurred.
REMEDY · Step by step
How to fix it?
Determine why the value fell below the lower limit and check the channel input value.
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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