InverterS300Verified · sol.ls-electric.com
S300 Drive Over Heat — Drive Over Heat
Trip — immediate stop
CAUSE
Why does it occur?
Occurs when the temperature of the inverter heatsink rises above the rated value.
REMEDY · Step by step
How to fix it?
- Check whether the fan is operating properly. The fan operation parameter operates with the DRV50 (Fan Control) setting value of 0-
- If the inverter's internal fan operates properly, check whether the ambient temperature around the inverter is high. If the inverter's internal fan operates properly and the ambient temperature [is ...].
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 ↗S300 Standard User Manual V1.6 EN (260120)
9.5 Trip/Warning List · 14장 Troubleshooting · p.729 · V1.6 (2026-01-20)