Lincoln Electric SVM197-A Welder User Manual


 
TROUBLESHOOTING AND REPAIR
F-23 F-23
POWERARC® 5500
SCOPE SETTINGS
Volts/Div.....................50V/Div.
Horizontal Sweep.....5 ms/Div.
Coupling ............................DC
Trigger .........................Internal
CH1
0 volts
5 ms
50 volts
This is the typical AC output voltage
generated from a properly operating
machine. Note that each vertical
division represents 50 volts and that
each horizontal division represents 5
milliseconds in time.
Note: Scope probes connected at
machine 115 VAC receptacle.
1 Period = 16.2 ms @ 3700 rpm
NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (115 VAC SUPPLY)
HIGH IDLE – NO LOAD
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