PLCXECVerified · sol.ls-electric.com
XEC 50 — Heavy Error of External Device
Trip — immediate stop
CAUSE
Why does it occur?
Heavy error of external device
REMEDY · Step by step
How to fix it?
Refer to heavy error detection flag, modify the device, then restart (per parameter)
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
Verified · sol.ls-electric.com
Open PDF ↗XGB Troubleshooting Manual (compact IEC CPU 공통)
3.1 CPU Error Code List · p.41 · -