Lincoln Electric POWER MIG SVM167-A Service Manual page 60

F-24
TROUBLESHOOTING AND REPAIR
NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (MAX TAP "G")
20.0 V
This is a typical DC output voltage wave-
form generated from a properly operat-
ing machine.
division represents 20 volts and that
each horizontal division represents 1.0
milliseconds in time.
NOTE: Scope probes connected at
machine output terminals: (+)
probe to electrode, (-) probe to
work.
Note that each vertical
POWER MIG® 215
1.0 ms
SCOPE SETTINGS
Volts/Div.................................20V/Div
Horizontal Sweep..............1.0 ms/Div
Coupling........................................DC
Trigger....................................Internal
F-24
0 Volts