Lincoln Electric IM602-A manual Troubleshooting

Page 32

E-6

 

TROUBLESHOOTING

E-6

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

PROBLEMS

POSSIBLE

RECOMMENDED

 

 

(SYMPTOMS)

CAUSE

COURSE OF ACTION

 

 

 

 

 

 

PROBLEMS

Poor arc characteristics.

1.The negative welding cable may be connected to the wrong induc- tance tap.

2.Make sure the mode switch is in the proper position for the process.

3.The control board may be faulty. See PC board LED information.

115VAC receptacle not working.

1.Check the 115VAC circuit break- er. Reset if necessary. Make sure the load on the receptacle does not exceed the rating of the 115VAC breaker. See wiring dia- gram.

Contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance.

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.

DC-655

Image 32
Contents DC-655 Safety California Proposition 65 WarningsE C T R I C S H O C K c a n kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcVSAFETY ViSAFETY Thank You Table of Contents Installation Technical Specifications DC-655Height Width Depth Weight Input Hertz Input Ampere Type 80CInput Power Three Phase Gmaw FcawSmaw SAW NRTL/C NrtlElectrical Input Connections Safety PrecautionsSelect Suitable Location Reconnect Procedure Input Power Supply ConnectionsOutput Connections Electrode and Work CablesTable A.1 LOW Inductance TerminalAuxiliary Power Control Connections Terminal Strips Terminal Strip 1 T.S.1Terminal Strip 2 T.S.2 Operation General DescriptionGeneral Warnings Recommended Processes and EquipmentDesign Features and Advantages Welding CapabilityControls and Settings Power ON/OFF Switch This togLOCAL/REMOTE Control Switch When this Output Terminals ON/REMOTE When thisFigure B.2 Lower Case Front Controls & Connections Machine Protection Welding Performance CV Mode CURRENT-LIMITING CC Mode HOT StartCC Mode ARC Gouging CC Mode ARC ForceAccessories SEMI-AUTOMATIC Wire FeedersAutomatic Wire Feeders Field Installed OptionsAccessories Safety Precautions MaintenanceGeneral Maintenance Troubleshooting HOW to USE Troubleshooting GuideProblems Troubleshooting Trol circuit. #75, #76, #77 Problems Troubleshooting Troubleshooting Troubleshooting PC Board Troubleshooting Guide Firing P.C. Board PC Board Troubleshooting Guide Control P.C. Board10TROUBLESHOOTINGE-10 Diagrams Negative PositiveGND Negative Positive Receptacle Convenience, this extended #21 lead should be taped to 655 Wiring Diagram for Codes 10501,10503, 10504 Diagrams Diagrams Diagrams Diagrams Aviso DE Keep your head out of fumes Turn power off before servicing