PLCFX5UVerification pending — cross-check with the official manual
FX5U 4D46H — Firmware update function error (Via engineering tool)
Warning — monitor
CAUSE
Why does it occur?
• The engineering tool and the CPU module are connected incorrectly. (The cable connection and/or connection settings in the engineering tool are not correct.)
REMEDY · Step by step
How to fix it?
• Check that the CPU module is connected via USB or built- in Ethernet (Ethernet port direct connection/connection via hub).
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.
Open official manual ↗CALLBACK