Normal Open Circuit Voltage Waveform (Wire Cv Tap - Lincoln Electric COMMANDER 400 SVM133-B Service Manual

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NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (WIRE CV TAP)

TROUBLESHOOTING & REPAIR
MAX CONTROL POT – HIGH IDLE – NO LOAD
This is the typical DC open circuit
output voltage generated from a
properly operating machine. Note
that each vertical division represents
20 volts and that each horizontal
division represents 5 milliseconds in
time.
Note: Scope probes connected at
"WIRE" welding output terminals.
SCOPE SETTINGS
Volts/Div.....................20V/Div.
Horizontal Sweep .....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
COMMANDER 400
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0 volts