InverteriS7Verified · sol.ls-electric.com
iS7 Ground Trip — Ground Trip
Trip — immediate stop
CAUSE
Why does it occur?
- Excessive current from ground fault in inverter output
- Ground fault detection current varies by inverter capacity
REMEDY · Step by step
How to fix it?
- Check output terminal wiring
- Replace motor if insulation is damaged
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 ↗SV-iS7 User Manual Start-up V1.00 (150710) EN
p.71