Delta VFD-L Series Drive
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May 16, 2022 12:53 pm
How can resolve problem Lv fault in delta VFD-L series drive ?
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May 16, 2022 12:53 pm
The AC drive detects that the DC bus voltage has fallen below its minimum value
Check whether the input voltage falls within the rated AC drive’s input voltage.
Check drive rectifier & IGBT using multimeter.
Check wiring.
Check drive hardware using multimeter.
