Ocv Stick Mode - Lincoln Electric BIG RED 500 Service Manual

F-34
50V/Div
TROUBLESHOOTING AND REPAIR

OCV STICK MODE

WELD OUTPUT VOLTAGE WAVEFORM
FINE CURRENT CONTROL AT MAXIMUM
5ms/DIv
This is the typical auxiliary output volt-
age generated from a properly operat-
ing machine. Note that each vertical
division represents 50 volts and that
each horizontal division represents 5
milliseconds in time.
Note: Scope probes connected at the
welding output terminal.
SCOPE SETTINGS
Volts/Div.....................50V/Div.
Horizontal Sweep .....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
BIG RED ® 500/600
F-34
0 volts