Milliseconds. refer to the, Normal open, Troubleshooting & repair – Lincoln Electric CLASSICII SVM125-A User Manual

Page 78

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TROUBLESHOOTING & REPAIR

F-28

F-28

CLASSIC II

This is the typical auxiliary output
voltage generated from a properly
operating machine. Note that each
vertical division represents 50 volts
and that each horizontal division rep-
resents 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 – FINE CURRENT CONTROL RHEOSTAT AT MAXIMUM

CH1

0 volts

5 ms

50 volts

16.6 ms

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