ABB ACS2000 User Manual page 207

3 Identify defective phase module.
4 Turn off auxiliary power supply to
the phase modules. (Q1351)
See Appendix E - Wiring diagrams,
located on the CD, to identify the
circuit breakers that remove
auxiliary power from the drive.
ACS2000 User manual
Chapter 10 - Troubleshooting and maintenance
INU
U2 phase module
V2 phase module
W2 phase module
AFE
L1 phase module
L2 phase module
L3 phase module
Frame 1
INU
U2 phase module
V2 phase module
W2 phase module
AFE
L1 phase module
L2 phase module
L3 phase module
CAUTION
After the circuit breakers have been switched off, the
charging transformer and the fan unit are still
connected to their power supplies.
2UEA001270 Rev. F
Frame 2
Frame 3
10-27 (32)