ABB 4E04 fault code meaning
ABB / 4E04
Series: ACS860-REG, ACS880-BRAKE
Temperature difference too large
drive
Meaning: High temperature difference between semiconductors in different phases.
Possible causes
Source: ACS860 Regenerative Rectifier Control Program Firmware Manual P118; ACS880 Braking Control Program Firmware Manual P128
Series: ACS880-DCDC, ACS880-DIODE
Temperature difference too large
drive
Meaning: The temperature difference between semiconductors in different phases is too large.
Possible causes
Source: ACS880 DC _ DC Drive Control Program Firmware Manual P197; ACS880 Diode Supply Control Program P179
Series: ACS880-IGBT, ACS880
Temperature difference too large
drive
Meaning: The temperature difference between IGBT in different phases is too large.
Possible causes
Source: ACS880 IGBT Supply Control Program Firmware Manual P207; ACS880 Primary Control Program Firmware Manual P484
Series: ACS880-POS
Temperature difference too large
drive
Meaning: The temperature difference between IGBT in different phases is too large.
Possible causes
Source: ACS880 Position Control Program P474