PLCXBC/XECVerification pending — cross-check with the official manual
XBC/XEC 31 — Module Detach Error
Warning — monitor
CAUSE
Why does it occur?
Module falling during operation or additional setup.
REMEDY · Step by step
How to fix it?
Check position of attachment/detachment of expansion module during Run mode.
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
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