PLCSafety-PLCVerified · sol.ls-electric.com
Safety-PLC 1 — CPU System Error
Critical — power cycle required
CAUSE
Why does it occur?
CPU module internal self-diagnostic abnormality detected
REMEDY · Step by step
How to fix it?
Re-apply power; if repeated, request A/S and replace safety CPU
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 manual ↗통합형 Safety PLC 사용 설명서
12.5절 에러 코드 일람