ServoL7NVerified · sol.ls-electric.com
L7N AL-41 — AL-41 Over Voltage
Trip — immediate stop
CAUSE
Why does it occur?
- Over voltage
- Causes: high main input voltage, too-large external regen resistor value, frequent rapid accel/decel, or excessive regenerative operation
REMEDY · Step by step
How to fix it?
- Recheck the main power; review the regen resistor value vs operating conditions; set longer accel/decel time
- If it recurs, replace the drive
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