PLCXGRVerified · sol.ls-electric.com
XGR 28 — Abnormal Redundancy Parameter
Critical — power cycle required
CAUSE
Why does it occur?
Abnormal redundancy parameter
REMEDY · Step by step
How to fix it?
Start after loading redundancy parameter again (not checked when downloading during Run)
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 ↗XGR CPU Module User Manual V2.9 202412 (Eng)
15.5 Error Codes List · p.252 · V2.9