InverterS300Verified · sol.ls-electric.com
S300 Encoder Error — Encoder Error
Trip — immediate stop
CAUSE
Why does it occur?
Occurs when the polarity of each signal of a line-drive type encoder is connected incorrectly.
REMEDY · Step by step
How to fix it?
Check the polarity of phase A and phase B and wire accordingly.
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.731 · V1.6 (2026-01-20)