CIGWELD WELDSKILL 180 - DC Bus Preliminary Measurement in Inverter PCB

PRELIMINARY TROUBLESHOOTING-POWER SOURCE 10-2 0-5461
SERVICE MANUAL
180
SERVICE MANUAL
180
10.04 DC Bus Preliminary Measurement in Inverter PCB
WARNING
Check DC bus voltage has discharged to less than 5VDC before servicing. Ensure the mains supply plug is disconnected from 240VAC
receptacle.
Art # A-13058
Testpoint No.
DC Bus
Capacitor Test
Multimeter Lead Placement
Voltage with Supply voltage
OFF
(Multimeter set for DC volts)
1
2
C4, C5, C6, C8 Positive (red) meter lead to testpoint 1
Negative (black) meter lead to testpoint 2
0 VDC
Table 10-1 DC BUS, Multimeter set to measure DC volts