ABB 7580 fault code meaning
ABB / 7580
Series: ACH531, ACQ531
INU-LSU communication loss
drive
Meaning: LSU comm loss function Loss of DDCS communication between the inverter unit and the supply unit.
Possible causes
Source: ACH531 Firmware Manual P142; ACQ531 Firmware Manual P124
Series: ACQ580
INU-LSU communication loss
drive
Meaning: LSU Communication loss function. Loss of DDCS communication between the inverter unit and the supply unit.
Possible causes
Source: ACQ580 Pump Control Program Firmware Manual P200
Series: ACS530
INU-LSU communication loss
drive
Meaning: DDCS Communication loss between the inverter unit and the supply unit.
Possible causes
Source: ACS530 Firmware Manual P277
Series: ACS880
INU-LSU communication loss
drive
Meaning: LSU Communication loss function. Loss of DDCS (fiber-optic) communication between converters (such as inverter units and supply units).
Possible causes
Source: ACS880 Basic Control Program Firmware Manual P477
Series: ACS880-MARINE
INU-LSU Communication interrupted
drive
Meaning: Loss of DDCS (fiber-optic) communication between converters (for example, between the inverter unit and the supply unit).
Possible causes
Source: ACS880 Light Marine P331
Series: ACS880-POS
INU-LSU communication loss
drive
Meaning: LSU communication loss function. DDCS (fiber-optic) communication interrupted between drives (such as inverter units and supply units).
Possible causes
Source: ACS880 Position Control Program P466
Series: ACS880-WINCH
INU-LSU communication loss
drive
Meaning: LSU communication loss function. DDCS (fiber-optic) communication interrupted between converters (such as inverter units and supply units).
Possible causes
Source: ACS880 Winch Control Program P572