InverteriS7Verified · sol.ls-electric.com
iS7 Enc Conn Check — Enc Conn Check
Alarm — operational, inspection needed· AUTO-RESET
CAUSE
Why does it occur?
No encoder signal during auto tuning encoder test (BAS-20 No.3 Enc Test).
REMEDY · Step by step
How to fix it?
- Check encoder wiring and connection
- Verify encoder option card is installed
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 ↗SV-iS7 User Manual Start-up V1.00 (150710) EN
p.75