Tweco 130i Transarc Service Manual - Manual (Page 50)

TROUBLESHOOTING 6-8 Manual 0-5282
TRANSARC 130i
DC Bus Testing Multimeter Lead Placement Voltage with
Supply voltage
OFF
Upper capacitor bank Positive meter lead to testpoint 1
Negative meter lead to testpoint 2
150-200 VDC
Lower capacitor bank Positive meter lead to testpoint 2
Negative meter lead to testpoint 3
150-200 VDC
Overall capacitor bank Positive meter lead to testpoint 1
Negative meter lead to testpoint 3
300-400 VDC
Table 6-8: DC BUS, Multimeter set to measure DC volts
Note: These DC voltages are at nominal mains supply voltage of 240VAC.
6.10 PCB Connectors
1 Inverter PCB
A-11848