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Question About Hitachi Power Supply SJ300 Series
Hitachi SJ300 Inverter E21 Error...

Our Hitachi Sj300 Inverter is frequently tripping with fault code E21.4. The inverter is placed in Ring Frame textile machinery. We had removed the cooling fan from inverter and placed a Pneumafil air suction at the top for cooling purpose. How to Solve the problem?

Asked by Praveen on 09/25/2009 1  Answer

ManualsOnline posted an answer 15 years, 2 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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