ABB AE1B fault code meaning
ABB / AE1B
Series: ACS860-REG, ACS880-BRAKE, ACS880-IGBT
PU internal communication
drive
Meaning: A communication error was detected between the control unit and the power unit.
Possible causes
Source: ACS860 Regenerative Rectifier Control Program Firmware Manual P111; ACS880 Braking Control Program Firmware Manual P124; ACS880 IGBT Supply Control Program Firmware Manual P199
Series: ACS880-DCDC, ACS880-DIODE
PU internal communication
drive
Meaning: A communication error was detected between the control unit and the power unit.
Possible causes
Source: ACS880 DC _ DC Drive Control Program Firmware Manual P189; ACS880 Diode Supply Control Program P167