Miller Electric OM-220 390F manual Program Push Button, Upper Display

6-4. Program Push Button

1

2

1 Program Display

The number of the active program is displayed.

2 Program Push Button

3 Program Push Button LED

The LED lights to indicate that programs can be changed using the Adjust knob.

Momentarily press button to illuminate LED. To change the

3	program number, rotate Adjust knob
	to select one of eight programs.
	Pressing and holding the push
	button will display current wire size,
	wire type and process.
	To reset feeder to factory settings,
	turn power source off for 10
	seconds. Press and hold button in
	on power up, wait until top display
	shows RST and bottom display
	shows NO before releasing button.
	Feeder Set Up button LED will
	begin flashing. Turn Adjust knob to
	change bottom display to show
	YES, then press Feeder Set Up
	button to confirm selection. The top
	display will show CYCL and the
	lower display will show PWR. Turn
	welding power source power off for
	10 seconds, then turn power back
	on again.

6-5. Upper Display

1

4

V

5

3

2

1 Upper Display

The upper display at idle (not welding) shows preset volts with process selection MIG or Arc Adjust for all other processes. When welding, the display shows actual voltage. The display will show actual voltage for approximately 3 seconds after welding stops before returning to preset value.

2 Upper Display Push Button

Press the button to illuminate the LED and allow changing information in the display.

3 Upper Display Push Button LED

The upper display push button LED

illuminates to indicate that information displayed can be changed by the Adjust knob.

4 Volts LED

Indicates a voltage value is being displayed, preset voltage in MIG when not welding and actual voltage while welding.

5 Arc Adjust LED

Indicates that displayed value is an arc length value when the process is Pulse, Accu-pulse, or RMD (optional).

.At any time while welding, the display

allows adjustment of the weld voltage or arc adjust preset values by turning the

Adjust knob. The preset values will be displayed while the knob is being rotated and return to displaying actual values when adjustment is completed.

To activate Carbon Arc Cutting (CAC), press and hold the upper display push button in on power up. CAC will appear on the upper display and NO will appear on the lower display. Rotate adjust knob to YES on the lower display, and press the flashing Feeder Set up push button . CYCL will appear on the upper display and PWR will appear on the lower display. Turn welding power source off and back on again to enable the Carbon Arc Cutting process selection.

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