Lincoln Electric IM557 manual 1TROUBLESHOOTINGE-1, Locate Problem Symptom

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E-1TROUBLESHOOTINGE-1

WARNING

Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.

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This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow the three-step procedure listed below.

Step 1. LOCATE PROBLEM (SYMPTOM).

Look under the column labeled “PROBLEM (SYMP- TOMS)”. This column describes possible symptoms that the machine may exhibit. Find the listing that best describes the symptom that the machine is exhibiting.

Step 2. POSSIBLE CAUSE.

The second column labeled “POSSIBLE CAUSE” lists the obvious external possibilities that may contribute to the machine symptom.

Step 3. RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause, generally it states to contact your local Lincoln Authorized Field Service Facility.

If you do not understand or are unable to perform the Recommended Course of Action safely, contact your local Lincoln Authorized Field Service Facility.

WARNING

ELECTRIC SHOCK can kill.

•Do not touch electrically live parts such as output terminals or internal wiring.

•When inching with gun trigger, electrode and drive mechanism are “hot” to work and ground and could remain energized several seconds after the gun trigger is released.

•Turn OFF input power at welding power source before installation or changing drive roll and/or guide tubes.

•Welding power source must be connected to system ground per the National Electrical Code or any applicable local codes.

•Only qualified personnel should perform this installation.

Observe all additional Safety Guidelines detailed throughout this manual.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

SYNERGIC 7 & 7H

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Contents Synergic 7 and 7H Mar ‘95 SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionMar. ‘93 Précautions DE SûretéOn-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Size & Weight Without Wire Stand With K377 Wire Stand InstallationTechnical Specifications Synergic 7 and 7H Type K631-3 K631-4 Wire Speed RangeRecommended Processes and Equipment Standard FeaturesWire Drive Features General DescriptionControl Features RUN-IN WFS Y P a D a N D D I S P L a Y DescriptionElectric Shock can kill Safety PrecautionsAluminum Wire Sizes Procedure to Install Drive Roll and Guide TubesWire Feed Drive Roll and Guide Tube Kits Steel Wire Sizes RollGmaw Guns Gun Cable Connection Wire Feeder to GunGun and Cable Assemblies For GMA Gun CablesCylinder may explode if damaged Shut off shielding gas supply when not in useSynergic 7 Water Connections for Water- Cooled Guns Gmaw Shielding GasElectrical Installation Warning 60% Duty Cycle Up to 100 ft Length 30m Optional Features InstallationWork Cable CurrentInstallation Operating Instructions Mode SelectionPower-Down Save OperationDisplay Control Keys Preset voltage/trim may be adjustedCold Feed Memory Ammeter Selection Step Trigger Mode SelectionDual Procedure Remote Control K1449-1 Procedure Selector SwitchFigure B.1a Threaded Locking Collar Wire LoadingInnershield Coils Coil tie wires To remove the wire reel from its shaft, graspKnob so it seats into the shaft when released Cut the tie wires at this timeREADI-REELS a K438 READI-REEL Adapter Must be Used Feeding ElectrodeGas Guard Regulator Setting Idle Roll Pressure SettingMaking a Weld Wire Reel ChangingWire Feed Overload Protection Grounding Lead Protector Explanation of Prompting Error MessagesOptional Features Accessories60 LB .2 KG Coil Adapter K1504-1 Universal Wire Reel Stand K1524-1READI-REEL Adapters K179 type vacuum unit not recommended for use with Synergic MISC. OptionsRoutine Maintenance MaintenanceMaintenance Avoiding Wire Feeding ProblemsLocate Problem Symptom 1TROUBLESHOOTINGE-1Troubleshooting Replace WeldingIng and gas flow rate is proper IngConnector J1 on control PC No control of wire feedTers on wire feeder display do not Defective wire feed motor tach orOr there may be a problem with Wire feed motor runs and solenoid Power source is defectiveWiring harness or Control PC Speed does not change when Run-in and weld speeds are setRemote control kit must be used Meters on wire feeder display doNot match those on power Problem with wire feeder harnessTroubleshooting Wiring harness, or Control board Dure switch Be connectedBetween procedures a and B Display. If not, refer to ProblemFaulty communication between Local dual procedure switchDual procedure switch is used to Switch between procedures aTroubleshooting HXX Procedure for Replacing PC Boards Electric Shock can kill Wiring Diagram Synergic DiagramsElectric Shock Can Kill Input Connection DiagramW I R E R E E L S T a N D Dimension PrintSynergic 7 & 7H Synergic 7 & 7H Synergic 7 & 7H Synergic 7 & 7H Precaucion Warnung