PLCXBC/XECVerification pending — cross-check with the official manual
XBC/XEC 501 — Abnormal Clock Data
Warning — monitor
CAUSE
Why does it occur?
Clock data is abnormal.
REMEDY · Step by step
How to fix it?
Setting the time by XG5000 if no error.
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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