Lincoln Electric RANGER 225 GXT Service Manual page 80

F-40
NORMAL OPEN CIRCUIT DC WELD VOLTAGE WAVEFORM (CC MODE)
HIGH IDLE - NO LOAD - OUTPUT CONTROL AT MAXIMUM
TROUBLESHOOTING AND REPAIR
50 volts
This is the typical DC output voltage
generated from a properly operating
machine. Note that each vertical divi-
sion represents 50 volts and that each
horizontal division represents 5 mil-
liseconds in time.
Note: Scope probes connected at
machine 115VAC receptacle.
SCOPE SETTINGS
Volts/Div.....................50V/Div.
Horizontal Sweep .....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
RANGER® 225 GXT
CH1
0 volts
5 ms
F-40