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TROUBLESHOOTING AND REPAIR
F-36
F-36
RANGER® 3 PHASE
This is the typical DC 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 115VAC receptacle.
SCOPE SETTINGS
Volts/Div.....................50V/Div.
Horizontal Sweep .....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
NORMAL OPEN CIRCUIT DC WELD VOLTAGE WAVEFORM (CC MODE)
HIGH IDLE - NO LOAD - OUTPUT CONTROL AT MAXIMUM
CH1
5 ms
50 volts
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