ServoL7NVerified · sol.ls-electric.com
L7N W-STO — W-STO STO_CONN
Warning — monitor· AUTO-RESET
CAUSE
Why does it occur?
STO connection error.
REMEDY · Step by step
How to fix it?
Check the STO operation and connection setting.
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 ↗XDL-L7N 200V Series AC Servo Drive User Manual V1.7 (EN)
p.265