InverterH100Verified · sol.ls-electric.com
H100 Low Voltage2 — Low Voltage2
Trip — immediate stop
CAUSE
Why does it occur?
- DC circuit voltage drops below specified value during inverter operation
- Input voltage decrease or input phase-loss
REMEDY · Step by step
How to fix it?
- Check input voltage
- Check input wiring
- Replace magnetic contactor
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 ↗H100 Troubleshooting Manual ENG Rev1.1 (240710)
p.21