How to identify and resolve OLF faults on ATV drives
This blog considers the cause of a motor overload fault (OLF) on Altivar drives. This applies to the following series: Altivar ATV12, ATV312, ATV32, ATV61, ATV71. Motor overload fault (OLF) is triggered by the motor pulling current above the ItH (Motor Them Current) that is programmed into the drive. The further above the ItH […]
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