Delta VFD-EL-W Series Drive
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May 04, 2022 7:25 am
How can resolve problem HPF1/HPF2/HPF4 fault in delta VFD EL-W series drive ?
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May 04, 2022 7:26 am
HPF1 - CC (current clamp)
HPF2 - OV hardware fault
HPF4 - OC hardware fault
Check drive rectifier & IGBT using multimeter.
Check wiring.
Check drive hardware using multimeter.