ServoL7NHVerified · sol.ls-electric.com
L7NH AL-22 — AL-22 Drive Overheat 1
Trip — immediate stop
CAUSE
Why does it occur?
- Drive overheat
- Drive temperature 1 [0x260B] is significantly different from ambient, or ambient >50C.
REMEDY · Step by step
How to fix it?
Lower the ambient temperature; if abnormal in normal conditions, 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 ↗L7NH Series AC Servo Drive User Manual V1.6 (EN)
p.375