Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work.

 
 
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Alex
 
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Default VFD problem

I need help connecting my VFD to a motor.

I connected my VFD (KBAC-27D) to single phase 240V
VFD shows code "Undervoltage"
I measured voltage between AC lines - 237V, between one AC line and ground - 117V
another AC line and ground 117V
It's a little less than suppose to be but should be OK I guess.
Can anyone shed some light on this problem?

Thanks,
Alex
 
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