breakerMetasol-MS/EOCRVerified · sol.ls-electric.com
Metasol-MS/EOCR U-C — Under Current
Warning — monitor
CAUSE
Why does it occur?
- Under current
- Current fell below the set lower level (30~70% of rated); operates in 3s
- Detects no-load/idle operation
REMEDY · Step by step
How to fix it?
Check the mechanical linkage/load for no-load or broken-shaft conditions.
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 ↗LSIS EMPR (DMPi) Series Manual (E 09-1909)
p.18