PLCFX5UVerification pending — cross-check with the official manual
FX5U 4D48H — Firmware update function error (Via engineering tool)
Warning — monitor
CAUSE
Why does it occur?
• The firmware update cannot be performed due to a CPU module stop error. • The module may be faulty.
REMEDY · Step by step
How to fix it?
• Correct the parameters. • If the same error is displayed again, please consult your local Mitsubishi representative.
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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