Delta VFD-VJ Series Drive
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Apr 21, 2022 5:36 am
How can resolve problem LvA DC bus voltage is lower fault in delta VJ series Drive ?
1 Reply
Apr 21, 2022 5:37 am
Cause : DC bus voltage is lower than the setting at Pr02-07 during acceleration.
1. Check if the voltage of input power is
normal.
2. Check if there is any sudden heavy
load.
3. Adjust the low voltage level in
Pr02-07
