Lincoln Electric IM10020 manual Dry. Remove any scale, rust

Page 27
Pilot arc starts but will not transfer 1. Check work lead connection for
when brought near work.clean, secure connection.

E-5

TROUBLESHOOTING

E-5

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

 

2.

Plasma will only cut conductive

 

 

 

material. Do not attempt to cut

 

 

 

fiberglass, plastic, rubber, PVC or

If all recommended possible areas of

 

 

any other non-conductive material.

misadjustment have been checked

 

 

 

and the problem persists, Contact

 

3.

Make sure work piece is clean

your local Lincoln Authorized

 

 

and dry. Remove any scale, rust

Field Service Facility.

 

 

or dross.

 

 

4.

Possible faulty Inverter board.

 

 

5.

Check all connections to Control

 

 

 

Board.

 

 

 

 

 

Pilot arc initiates but turns off before

1.

Input voltage is below 208V.

Lower air pressure by turning regula-

transferring to work. Cutting arc

 

 

tor knob. Pressure may require

appears to turn off while cutting.

2.

Air pressure is set too high.

being set lower than blue arrow indi-

 

 

 

cator.

 

 

 

 

 

 

 

 

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.

TOMAHAWK™ 625

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Contents Tomahawk Safety Depends on YouPLASMA CUTTING or Gouging can be hazardous SafetyElectric and Magnetic Fields Cylinder may explode if damagedPage Sûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Table of Contents Range Voltage InstallationTechnical Specifications -TOMAHAWK CurrentInput Electrical Connections Safety Precautions Electric Shock can KillSelect Proper Location High Frequency Interference ProtectionOutput Connections GAS Input ConnectionsDescription Safety PrecautionsPreheat Temperature for Plasma Cutting OperationUser Responsibility Design Features AdvantagesConsumable Life Cutting CapabilityLimitations Controls and SettingsFigure B.3 Cutting ProcessElectric Shock can Kill TorchProcedure Recommendations Pilot ARC DiscussionTorch Standoff Suggestions for Extra Utility from the Tomahawk 625 System Torch Part Configurations Standard Cutting SetupContact Cutting Setup Gouging Setup Expendable Parts AccessoriesGeneral Options /ACCESSORIES TorchesThermal Protection MaintenanceROUTINE MAINTENANCE PERIODIC MAINTENANCEHOW to USE Troubleshooting Guide TroubleshootingTroubleshooting Tomahawk 625 powers up 1. Turn the output knob to purge Your local Lincoln Authorized Field Service FacilityDry. Remove any scale, rust Symptom Check Enhanced Diagram DiagramsWarnung Keep your head out of fumes
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