PLCXGRVerification pending — cross-check with the official manual
XGR E004 — Abnormal RTC IC
Critical — power cycle required
CAUSE
Why does it occur?
Clock IC(RTC) error
REMEDY · Step by step
How to fix it?
Restart; contact service
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
CALLBACK
Request an expert callback
A 12-year automation/SI engineer responds directly. Reply within 1–3 business days.
Quote / inquiry form →