FA245084
28 September 2021
Issue:How can ATV61 or ATV71 drive run without the motor been connected to it?
Product Line:Altivar ATV61 ATV71
Environment:All
Cause:Needs to test the drive to see if there is a problem with the drive by running the drive open circuit, without the motor connected to it.
Resolution:Under Drives menu, go to menu 1.8 Fault management.
Find Output Phase Loss, and set to NO
Then go to menu 1.4 Motor Control
Find Motor Control Type, and set to V/F 2pts if it is set to something different.
Note: Make sure to set Output Phase Loss back to yes after testing is done. Some applications may also require the Motor Control Type to be reset to the previous setting. Wear necessary protective equipment while testing with OPL set to off, voltage and current will be available at the output terminals of drive
