ATTENTION
In order NOT to damage the Frequency Converters of Steering Motors you have to follow strictly those simple Steps:
Switch ON Frequency Converts
Switch ON Power Supply to SCR's
In Case Frequency Converter has tripped, follow those Steps:
Switch OFF Power Supply of all SCR's
Switch ON Frequency Converter
Switch ON Power Supply of SCR's
If above Procedure will not be followed, Power Surge can damage the Frequency Converters !!!