Drive Fault Register - 17 - Bus Balance Zero Current

Thomas Garcia

Modified on: Thu, 3 Jan, 2019 at 6:36 AM

Description - Bus Bal Zero Current

Problem Indicated - The bus balance circuit is not running. This could be caused by a blown fuse. There should always be at least 20 mA of bus balance current noise, when the bus balance circuit is active. (Resettable)

Fault - 1 - Array
Fault - 2 - Grid
Fault - 3 - System
Fault - 4 - Drive
Fault - 5 - Temp.
Fault - 6 - Disabled
Fault - 7 - IAC
Fault - 8 - IDC
Fault - 9 - PAC
Fault - 10 - VDC High
Fault - 11 - VDC Low
Fault - 12 - IHARM
Fault - 13 - Cool Temp
Fault - 14 - Cooling
Fault - 15 - Interlock
Fault - 16 - Power Supply
Fault - 17 - Latched
Array Fault - 1 - Asymmetrical Array
Array Fault - 2 - VDC High
Array Fault - 3 - PV Overvoltage
Array Fault - 5 - Array reference position
Array Fault - 6 - PV Ground overcurrent
Array Fault - 7 - PV/Bus Voltage measurement mismatch
Grid Fault - 1 - Phase Order
Grid Fault - 2 - Slow Low Frequency
Grid Fault - 3 - Slow High Frequency
Grid Fault - 4 - Slow aggregate high AC voltage
Grid Fault - 5 - Slow Aggregate low AC voltage
Grid Fault - 6 - Slow positive sequence voltage high
Grid Fault - 7 - Slow Positive Sequence Voltage Low

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