InverterS300Verified · sol.ls-electric.com
S300 Br Release Invalid — Br Release Invalid
Trip — immediate stop
CAUSE
Why does it occur?
Occurs when the load required to release the brake is not reached within a set time, so the brake is not released.
REMEDY · Step by step
How to fix it?
- This trip occurs because the inverter output current did not reach the value set in ADV 41 parameter BR Release Load
- Test by lowering the parameter value little by little
- Lowering it by a large amount can cause the brake [to ...]
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.732 · V1.6 (2026-01-20)