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This is NOT a typical DC output volt-
age waveform. The output capacitors
are not functioning. Note the lack of
“filtering” in the output waveform. The
output capacitor bank was disconnect-
ed. Each vertical division represents
20 volts and each horizontal division
represents 5 milliseconds in time.
Note: Scope probes connected at
machine output terminals: (+)
probe to electrode, (-) probe to
work.
SCOPE SETTINGS
Volts/Div.....................20V/Div.
Horizontal Sweep.....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
ABNORMAL OPEN CIRCUIT VOLTAGE
OUTPUT CAPACITOR BANK NOT FUNCTIONING (MAX TAP “G”)
0 volts
5ms
20.0 V
TROUBLESHOOTING AND REPAIR
F-26 F-26
Power MIG® 215XT
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