Miller Electric OM-842 manual From Miller to You

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Miller is the first welding equipment manufacturer in the U.S.A. to be registered to the ISO 9001 Quality System Standard.

From Miller to You

Thank you and congratulations on choosing Miller. Now you can get the job done and get it done right. We know you don’t have time to do it any other way.

That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality. Like you, his customers couldn’t afford anything less. Miller products had to be more than the best they could be. They had to be the best you could buy.

Today, the people that build and sell Miller products continue the tradition. They’re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929.

This Owner’s Manual is designed to help you get the most out of your Miller products. Please take time to read the Safety precautions. They will help you protect yourself against potential hazards on the worksite. We’ve

made installation and operation quick and easy. With Miller you can count on years of reliable service with proper maintenance. And if for some reason the unit needs repair, there’s a Troubleshooting section that will help you figure out what the problem is. The parts list will then help you to decide which exact part you may need to fix the problem. Warranty and service information for your particular model are also provided.

Miller Electric manufactures a full line

of welders and welding related equipment. For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog or individual catalog sheets. To locate your nearest

distributor or service agency call 1-800-4-A-Miller, or visit us at www.MillerWelds.com on the web.

Working as hard as you do

–every power source from Miller is backed by the most hassle-free warranty in the business.

Miller offers a Technical Manual which provides more detailed service and parts information for your unit. To obtain a Technical Manual, contact your local distributor. Your distributor can also supply you with Welding Process Manuals such as SMAW, GTAW, GMAW, and GMAW-P.

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Contents Description OM-842162074BProcesses From Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersUN Choc É Lectrique peut tuer Signification des symbolesConsignes DE Securite Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux ’EMPLOI Excessif peut Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques Remote 4 Socket Information InstallationConnecting Remote Pendant Or Equivalent User-Wired Control Pulse signal, and for a wire feeder User Relay ContactsSetting DIP Switch SW1 Rocker Switch Settings = On = OffControls Safety EquipmentOperation Work ClampDigital Display Mode Selector SwitchAmmeter And Voltmeter Right/Increase Push Button Program/Run/Reset Keyed SwitchParameter Select Push Button Left/Decrease Push ButtonShielding Gas Purge Push ButtonRemote Pendant Weld Sequence Introduction to ProgrammingGeneral Balance ControlModes Of Operation Automatic Mode SequenceSemi-Automatic Mode Sequence Start Level Not Shown Time & level programmedWeld/Peak Initial Current C Final SlopeSlope Current B Weld/PeakInitial Current C Final Slope Current B Current D Preflow Semi-Automatic 4 Mode Sequence Weld/Peak Initial C Current D Final SlopeSlope Current BPreflow Postflow Smaw ModeWeld/Peak Initial Current B Final Slope Slope Initial Slope Weld/Peak Current Final Slope Final CurrentProgramming Automatic Mode Procedure Up To Pulse Mode SelectionProcedure With Pulse Mode On, Pulses Defined In Time Values N a L Procedure With Pulse Mode On, Pulses Defined As a FrequencyProcedure Following Pulse Mode Definition S T F L O WO P Semi-Automatic ModeA R T E R E M O T E T O A R T# 0 X I N I T I a L P S = X X X Procedure With Pulse Mode On, Pulses Defined As a Frequency O P B U T T O N D E T E C T X X X X X X XManual Gtaw Mode R R E N T C O N T R O L X X X X# 0 X a R C C O N T R O L R C E N T a G E = 0 0 0 % Smaw ModeEditing a Program Linking Programs Dry Run FeatureStop Watch Feature N K P O S I T I O N X X X X X X XO G R a M L I N K M O D E Combining ProgramsM B I N E M O D E M B I N E P O S I T I O N X X I S X X X X X XSequence of Operation Gas Tungsten Arc Welding Gtaw In The Automatic ModeShared Initial Procedure Gas Tungsten Arc Welding Gtaw In The Semi-Automatic ModesOperation Procedures For Semi-Automatic 3 Mode Operation Procedures For Semi-Automatic 1 ModeOperation Procedures For Semi-Automatic 2 Mode Operation Procedures For Semi-Automatic 4 ModeGas Tungsten Arc Welding Gtaw In The Manual Mode Operation Procedures For Semi-Automatic 5 ModeExecuting Combined Programs Shielded Metal Arc Welding SmawExecuting Linked Programs Shutting DownIntroduction DiagnosticsOverheating Protection RAM Test Diagnostics ProgramProgramming Push Button Tests Program/Run/Reset Keyed Switch Tests Repeating Test DisplaysOutput Selector Switch Test Mode Selector Switch TestPurge Push Button Test W O R K I N G O P E R L YE a S E T U R N K N O B T O R G E B U T T O N S T+10 Volt DC Reference Test Gas Solenoid Relay Test Background Relay TestArc Starter Relay Test User RelaysR E M O T E Remote Pendant TestM O T E P E N D a N T S T S H D E C R E a S E B U T T O N R E M O T ECurrent Detect Test Input Contactor TestP U T C O N T a C T O R D E T E C T E D P U T C O N T a C T O R I S T D E T E C T E DElectrical Diagrams Circuit Diagram For Remote PendantWiring Diagram For MPC Module Circuit Diagram For Welding Power Source And MPC SC-182 947-B Parts List Main Assembly078 010 Dia Part Mkgs Description QuantityNAMEPLATE, order by model and serial number 158 110132 Page Page Page Page Service SupportMiller Electric Mfg. Co Model Name Serial/Style Number Purchase DateDistributor Address City State Zip