Delta VFD-ED Series Drive
2
Posts
1
Users
0
Reactions
1,293
Views
May 28, 2022 5:29 am
How can resolve problem oH1 IGBT overheat warning in delta VFD-ED series drive ?
1 Reply
May 28, 2022 5:30 am
oH1 IGBT overheat warning
Cause: IGBT temperature is over the default 90 ̊C (Pr.06-14).
1. Check cooling fan.
2. Check heatsink.
Check drive rectifier & IGBT using multimeter.
Check wiring.
Check drive hardware using multimeter.
