Miller Electric 75 manual Program Push Button, Upper Display, Volts Arc Adjust

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5-4. Program Push Button

1
Program	3
2

1 Program Display

The number of the active program is displayed.

2Program Push Button

3Program 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 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.

5-5. Upper Display

1
4
Volts	Arc Adjust
	5

3

2

1 Upper Display

The upper display shows voltage or arc length. The unit displays both preset voltage or arc length and actual voltage. When welding, actual arc voltage is displayed.

2 Upper Display Push Button

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

3 Upper Display Push Button LED

The upper display push button LED

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

4Volts LED (Weld Voltage In MIG)

5Arc Adjust LED (Pulse Mode)

The LEDs below the display illuminate to indicate which value is being shown.

At any time while welding, the unit permits the adjustment of the weld voltage and overrides the display of actual arc voltage.

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.

OM-228 956 Page 21

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Contents Processes OM-228 956BDescription File Advanced Manufacturing SystemsFrom Miller to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier Incendie ou une explosion LE Soudage peut provoquer unDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresEn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéSpecifications − Installation− Introduction Selecting a LocationConnection Diagram Tools Needed 9/16, 5/8 Rear Panel Connections And Rotating Drive AssemblyInstallation Installing Drive RollsPin Network Receptacle Information RemovalInstalling PD continuous wire guides with PD drive rolls Installing PD Continuous Wire GuidesInstalling wire guides with non- PD old-style drive rolls Installing Non-PD Old Style Wire GuidesRotate guide holder 180 degrees and reinstall Tools Needed 16, 1/8, 5/32Installing gun with Accu-Mate connection Installing Welding GunSecure gun by tightening power clamp knob Installing gun without Accu- Mate connectionWire Slips No Wire SlipEnd Of Liner Dual Schedule Switch Options Feeder Display At Power UpPower Source Upper Display Lower Display Voltage Range Upper Display Lower DisplayOperational Terms − OperationFeeder Set Up Power SwitchGeneral Terms Crater PostflowFront Panel Controls See Section Program Volts Time Arc AdjustSee SectionProgram Push Button Volts Arc AdjustUpper Display Upper DisplayLower Display Adjust Control Feeder Set Up Push ButtonSequence Trigger Control Trigger Hold Feeder Set Up Make a selection, rotate the Adjust control Process Set Up Push ButtonWelding and to preset gas pressure at the regulator Jog/Purge Push Button Adjust Control Gun Trigger ReceptacleJog/Purge Pulse Reset ModeMild Steel Accu-pulseSequence Parameters In a Program − Setting Sequence ParametersSequence Parameters Routine Maintenance − MaintenanceDisconnect power before maintaining = Check = Change ~ = Clean = ReplaceIndicates a voltage Sense error DiagnosticsIndicates an arc error Indicates a line errorIndicates a polarity error Indicates a memory CRC PCM errorDisconnect power before troubleshooting TroubleshootingRMD done message indicates UnknownCircuit Diagram − Electrical Diagram211 005-D − -3 21 − Fig − Parts ListFigures 9-3 Control Box PLG4 Drive Assembly, Wire 9-1Item Drive Assembly, WireDrive Assembly, Wire -1Item Wire Size Page Page Your distributor also gives ServiceSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s