ServoL7NHVerified · sol.ls-electric.com
L7NH W-40 — W-40 LOW_VTG
Warning — monitor· AUTO-RESET
CAUSE
Why does it occur?
Low voltage warning.
REMEDY · Step by step
How to fix it?
Check the main power input voltage.
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 ↗L7NH Series AC Servo Drive User Manual V1.6 (EN)
p.375