PLCFX5UVerification pending — cross-check with the official manual
FX5U 4D44H — Firmware update function error (Via engineering tool)
Warning — monitor
CAUSE
Why does it occur?
• A firmware update file of the version that cannot be installed on the module used has been used.
REMEDY · Step by step
How to fix it?
• Use the module with a firmware version that supports the firmware update using the engineering tool.
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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