PLCFX5UVerified · sol.ls-electric.com
FX5U C001 — Built-in Ethernet timeout
Alarm — operational, inspection needed· AUTO-RESET
CAUSE
Why does it occur?
Socket communication peer is not responding, or the network is disconnected
REMEDY · Step by step
How to fix it?
- Check the target IP, network, and port
- Verify the connection count limit
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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