Delta VFD-ED Series Drive
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Jun 04, 2022 11:21 am
How can resolve problem Lvn fault in delta VFD-ED series drive ?
1 Reply
Jun 04, 2022 11:21 am
DC bus voltage at constant speed is less than the setting in Pr.06-00
corrective action
1. Check if the input voltage is normal.
2. Check for possible sudden load change.
Check drive rectifier & IGBT using multimeter.
Check wiring.
Check drive hardware using multimeter.
