Lincoln Electric SVM207-A Welder User Manual


 
TROUBLESHOOTING AND REPAIR
F-29 F-29
RANGER® 3 PHASE
CH1
0 volts
5 ms
50 volts
SCOPE SETTINGS
Volts/Div.....................50V/Div.
Horizontal Sweep.....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
This is the typical AC 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 115 VAC receptacle.
NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (115 VAC SUPPLY)
HIGH IDLE – NO LOAD – OUTPUT CONTROL AT MAXIMUM
16.2 ms
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