Preliminary Dc Bus Measurement Of The Power Pcb - Thermal Arc Fabricator 211i Service Manual

FABRICATOR 211i

5.06 Preliminary DC Bus Measurement of the Power PCB

Check DC bus voltage has discharged to less than 5VDC before servicing. Ensure the mains supply plug
is disconnected from receptacle.
Art # A-10750
DC Bus Testing
Upper capacitor bank
Lower capacitor bank
TROUBLESHOOTING
Multimeter Lead Placement
Positive meter lead to testpoint 1
Negative meter lead to testpoint 2
Positive meter lead to testpoint 2
Negative meter lead to testpoint 3
Table 5-4 DC BUS, Multimeter set to measure DC volts
WARNING
5-6
TROUBLESHOOTING
Voltage with Supply
Voltage OFF
0 VDC
0 VDC
Manual 0-5158