InverterS300Verification pending — cross-check with the official manual
S300 GFt — Ground Trip
Trip — immediate stop
CAUSE
Why does it occur?
Ground fault current exceeds internal setting value of inverter.
REMEDY · Step by step
How to fix it?
- Check output wiring
- Check motor connection (cable <200m)
- Replace motor if insulation damaged
- Change carrier frequency to minimum
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
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