Normal Open Circuit Voltage Waveform (Stick) Max Tap - Lincoln Electric COMMANDER 400 SVM133-B Service Manual

F-73
NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (STICK)
MAX TAP – MAX CONTROL POT – HIGH IDLE – NO LOAD
TROUBLESHOOTING & REPAIR
This is the typical DC open circuit out-
put voltage generated from a properly
operating machine. Note that each
vertical division represents 50 volts
and that each horizontal division rep-
resents 5 milliseconds in time.
Note: Scope probes connected at
"STICK" welding output terminals.
SCOPE SETTINGS
Volts/Div.....................50V/Div.
Horizontal Sweep .....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
COMMANDER 400
F-73
0 volts