Huichuan frequency converter reports E009.3 fault, pre charging fault
Reason for malfunction:
1. The frequency converter is in an undervoltage state and the busbar has not been powered on for a long time after starting the motor
Solution:
1. Start the motor only after the busbar is powered on and stabilized.
Tel: 13818569113
Mailbox: huichuanjishu@139.com
URL: http://www.shruxi.com
Address: No. 7171 Beiqing Road, Shanghai
