Delta VFD-ED Series Drive
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Jun 04, 2022 11:25 am
How can resolve problem oH1 fault in delta VFD-ED series drive ?
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Jun 04, 2022 11:26 am
IGBT overheating : IGBT temperature exceeds protection level
corrective action
1. Ensure that the ambient temperature falls in the specified temperature range.
2. Make sure heat sink is not obstructed. Check if the fan i operating.
3. Check if there is enough ventilation clearance for the AC motor drive.
