PLCFX5UVerification pending — cross-check with the official manual
FX5U 1134H — TCP connection timeout
Trip — immediate stop
CAUSE
Why does it occur?
• A TCP ULP timeout error has occurred in the TCP/IP communication. (The external device does not send an ACK response.)
REMEDY · Step by step
How to fix it?
Continue
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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