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F-31, Mal open circuit voltage wave, Form (115 vac supply) high idle – no – Lincoln Electric EAGLE SVM192-A User Manual

Page 67: Load, Troubleshooting and repair

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This is the typical auxiliary output volt-

age generated from a properly operat-

ing 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 115VAC receptacle.

SCOPE SETTINGS

Volts/Div.....................50V/Div.

Horizontal Sweep .....5 ms/Div.

Coupling.............................DC

Trigger .........................Internal

NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (115VAC SUPPLY)

HIGH IDLE – NO LOAD – OUTPUT CONTROL AT MAXIMUM

TROUBLESHOOTING AND REPAIR

F-31

F-31

EAGLE™ 10,000

CH1

16.2 ms

0 volts

5 ms

50 volts

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