ServoL7SVerified · sol.ls-electric.com
L7S AL-42 — AL-42 RST Power Fail
Trip — immediate stop
CAUSE
Why does it occur?
- Main power failure. Causes: abnormal L1/L2(/L
- voltage, parameter [0x2006] setting, or momentary power outage [0x2007].
REMEDY · Step by step
How to fix it?
- Check L1/L2(/L
- voltage (200-230Vac) and the power supply; set [0x2006] per the input wiring; adjust [0x2007] for momentary outages. 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 ↗L7S Series AC Servo Drive User Manual V1.5 (EN)
p.213