Lincoln Electric IM311-E manual Contact your local Lincoln Authorized Field Service Facility

Page 18

 

E-2

TROUBLESHOOTING

E-2

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Motor won’t run.

1.

Circuit breaker tripped.

 

2.

For Code 9085, OCV is above

 

 

50 volts (45 volts on DC-600).

 

3.

Wrong polarity – unit is shipped

 

 

internally connected to operate

 

 

on negative polarity only.

 

4.

Remote voltage sensing work

 

 

lead not connected to work.

 

5.

Electrode lead not connected to

 

 

LN™-23P.

 

6.

Control cable not properly

 

 

connected to CV Converter or

 

 

Adapter Kit.

 

7.

Faulty gun trigger or broken

 

 

control wires.

 

8.

Faulty control circuit.

 

9.

Faulty CV Converter, Adapter Kit

 

 

or Power Source.

 

 

 

Drive rolls are turning but wire will

1.

Gun cable being excessively

not feed, or erratic feeding.

 

bent.

 

2.

Dirty gun cable.

 

3.

Loop of wire caught on bent tang

 

 

in wire reel.

 

4.

Worn drive rolls.

 

5.

Improper idle roll tension setting.

 

 

 

Erratic arc action.

1.

Worn tip.

 

2.

Incorrect wire feed speed or volt-

 

 

age.

If all recommended possible areas of misadjustment have been checked and the problem persists,

Contact your local Lincoln Authorized Field Service Facility.

3. Poor work lead connection.

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.

LN™-23P

Image 18
Contents LN -23P Safety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion Précautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Table of Contents Installation Technical Specifications LN-23PEnvironmental Rating Safety Precautions Input CableWork Cable and Remote Voltage Sensing Work Lead Wire Drive Rolls and Guide Tubes Optional Features InstallationInnershield GUN and Cable Loading the Wire Reel OperationProduct Description Instructions for Loading Wire Into LN-23P For machines that have code numbers Higher thanAdjusting Wire Feed Speed and Voltage Drive Roll PressureMaking the Weld Optional Equipment AccessoriesEnclosed Wire Reel Support GUN and Cable AssembliesGUN and Cable Maintenance MaintenanceRemoving Idle Roll Assembly Wire Drive Assembly MaintenancePower Source Circuit Protection NameplatesTroubleshooting HOW to USE Troubleshooting GuideContact your local Lincoln Authorized Field Service Facility Troubleshooting Diagrams LN-23P Adapter KIT Wiring DiagramWiring Diagram LN-23P Wiring Diagram Connection of CV Converter to LN-23P’S and SA-200 or SA-250 14269 Connection of LN-23P and Adapter KIT to R3S-250 or R3S-325 Connection of LN-23P and Adapter KIT to R3S-400, 600 or 14272 Diagrams Diagrams Diagrams 12DIAGRAMS 17124 2-19-82MField Calibration of K-316 LN-23P P.C. Board Precaucion Warnung