Question about Hitachi Variable Frequency Drive Inverter

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A CUSTOMER HAS TWO IDENTICAL MACHINES. One has a Baldor VFD and the other an older Hitachi HFC-VWS-16HF3D drive. The Hitachi drive does not seem to provide as much torque as the machine (a conveyor/husker for corn) stalls out frequently at speed. It seems to take much less to stall this machine than the other. I suspect it is a programming adjustment but we have no manual for this drive. Can we get access to the programming procedure/parameters? any suggestions which parameters to begin tinkering with?

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Check the current limit setting and make sure it can pull 100% motor name plate FLA (amps)

Posted on Jun 27, 2009


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you didn't indicate what model number. ON a L200 for example E21 means over temperature. You need the model number
For a quick reference on the L200 WHAT MODEL DO YOU HAVE? The .3 would be it's status when the fault occured. 3 means constant speed. Are you overloading the drive?
This link is for a L300 for example

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Please send one operation manul of
Model no. : L100-040HF6
KW : 04
HITACHI SR.NO. : 242RT18618200570204

With regards



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