ServoL7NHFVerified · sol.ls-electric.com
L7NHF AL-38 — AL-38 Encoder Setting Error
Trip — immediate stop
CAUSE
Why does it occur?
- Encoder setting error
- Causes: drive/motor combination, encoder cable abnormality, encoder/drive fault
REMEDY · Step by step
How to fix it?
- Use a matching drive/motor brand; check the encoder cable
- If it recurs, replace the motor/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 ↗L7NHF Series AC Servo Drive User Manual (EN, 2017-10-13)
p.375