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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Thermal overload occurs


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1 Answer

E 21.3 FAULT DISPLAY


you didn't indicate what model number. ON a L200 for example E21 means over temperature. You need the model number
http://www.clrwtr.com/PDF/Hitachi/Hitachi-L200-VFD-Drives.pdf
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http://www.clrwtr.com/PDF/Hitachi/Hitachi-L300P-AC-Drives.pdf
This link is for a L300 for example

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2 Answers

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Dear sir,

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

With regards

For GROUP PHARMACEUTICALS LTD

CHANDRAMOHAN POOJARI
ASST MANAGER - MAINTENANCE

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rathaursunil@gmail.com

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