Lincoln Electric 455 manual MIG/MAG pulse modes Check the Trim setting. These

Page 25

 

E-5

 

 

 

TROUBLESHOOTING

 

E-5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

TROUBLESHOOTING GUIDE

 

 

 

 

 

Observe Safety Guidelines

 

 

 

 

 

 

 

 

detailed in the beginning of this manual.

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

 

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine often “noodle welds” (out-

Secondary current limit has been

 

 

 

 

 

 

put is limited to approximately 100

 

 

exceeded, and the machine has

 

 

 

 

 

 

 

amps) when running a particular

 

 

phased back to protect itself.

 

 

 

 

 

 

 

procedure

 

 

Adjust procedure or reduce load to

 

 

 

 

 

 

 

 

 

 

 

lower current draw from the

 

 

 

 

 

 

 

 

 

 

 

machine.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine won’t produce full output.

 

 

1. Input voltage may be too low,

 

 

 

 

 

 

 

 

 

 

 

 

limiting output capability of the

 

 

 

 

 

 

 

 

 

 

 

 

power source. Make certain

 

 

 

 

 

 

 

 

 

 

 

 

that the input voltage is prop-

 

 

 

 

 

 

 

 

 

 

 

 

er, according to the Rating

 

 

 

 

 

 

 

 

 

 

 

 

Plate located on the rear of

 

 

 

 

 

 

 

 

 

 

 

 

the machine.

 

 

 

 

 

 

 

 

 

 

 

2.

Input may be “single phased”.

 

 

 

 

 

 

 

 

 

 

 

 

Make certain the input voltage

 

 

 

 

 

 

 

 

 

 

 

 

is proper on all three input

 

 

 

 

 

 

 

 

 

 

 

 

lines.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For no apparent reason, the weld-

 

 

1.

Check for proper Wire Feed

 

 

If all recommended possible areas

 

 

 

 

ing characteristics have changed.

 

 

 

Speed setting. In CV MIG

 

 

 

 

 

 

 

 

 

 

 

of misadjustments have been

 

 

 

 

 

 

 

 

 

and FCAW modes, check for

 

 

 

 

 

 

 

 

 

 

 

 

 

checked and the problem persists,

 

 

 

 

 

 

 

 

 

proper Voltage setting. In the

 

 

 

 

 

 

 

 

 

 

 

 

 

contact your local Lincoln

 

 

 

 

 

 

 

 

 

MIG/MAG pulse modes,

 

 

 

 

 

 

 

 

 

 

 

check the Trim setting. These

 

 

Authorized Field Service Facility.

 

 

 

 

 

 

 

 

 

controls are on the wire feed-

 

 

 

 

 

 

 

 

 

 

 

 

er.

 

 

 

 

 

 

 

 

 

 

 

2.

Check for proper shielding

 

 

 

 

 

 

 

 

 

 

 

 

gas mix and flow.

 

 

 

 

 

 

 

 

 

 

 

3.

Check for loose or faulty weld

 

 

 

 

 

 

 

 

 

 

 

 

cables and cable connections.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Auxiliary receptacle is “dead” — no

 

 

1. Circuit breaker CB2 (on case

 

 

 

 

 

 

 

auxiliary voltage .

 

 

 

front) may have opened.

 

 

 

 

 

 

 

 

 

 

 

 

Reset.

 

 

 

 

 

 

 

 

 

 

 

2.

Circuit breaker CB4 (in recon-

 

 

 

 

 

 

 

 

 

 

 

 

nect area) may have opened.

 

 

 

 

 

 

 

 

 

 

 

 

Reset.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized Lincoln Electric Field Service Facility for technical assistance.

POWER WAVE 455 STT

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Contents Safety Depends on You Power Wave 455 STTCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Table of Contents Technical Specifications Power Wave 455/STT InstallationSelect Suitable Location Safety PrecautionsMachine Grounding High Frequency ProtectionInput Voltage Reconnect Procedure Input Fuse and Supply Wire ConsiderationsOutput Connections Electrode & Work Leads Electrode Positive Applications Voltage Sensing AT the WorkpieceElectrode & Work Leads Electrode Negative Applications Control Cable ConnectionsPower Feed Control BOX Mounting Operation Safety InstructionsOperating Instructions Power Wave 455 STT General Description Additional Design Features and AdvantagesRecommended Processes and Equipment Recommended ProcessesWelding Capability Power Source OperationLimitations Compatible Lincoln EquipmentDetailed Weld Mode Descriptions Welding AdjustmentsConstant Voltage CV/WELD, CV/MIG, CV/FLUX Cored Procedures Gmaw Pulse ProceduresARC Gouging Procedures Constant Current CC/STICK, CC/TIG ProceduresSurface Tension Transfer STT Procedures Options / Accessories AccessoriesFactory Included Accessories Field InstalledRoutine Maintenance MaintenanceUsing the Status LED to Troubleshoot System Problems TroubleshootingLocate Problem Symptom HOW to USE Troubleshooting GuideConsult Local Authorized Field Service Facility Perform External RecommendAuthorized Field Service Facility Troubleshooting GuideContact your local Lincoln Exhaust louvers Machine won’t weld, can’t get any MIG/MAG pulse modes Check the Trim setting. These Diagrams =62523%25 Diagrams Power Wave 455 STT Power Wave 455 STT $700.00 Basic CoursePrecaucion Warnung
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