Lincoln Electric LN-25, IM-939A, 11523, 11389 specifications Digital Display Models Error Codes

Page 32

E-2

TROUBLESHOOTING

E-2

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

PROBLEMS

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

Digital Display Models Error Codes

 

Fault Code

Description

 

Possible Adjustments

Err 81

Motor overload, long term.

1. The wire drive motor has over-

1.

Check that the electrode slides

 

 

heated.

 

easily through the gun and cable.

 

 

 

2.

Remove tight bends from the gun

 

 

 

 

and cable.

 

 

 

3.

Check that the spindle brake is

 

 

 

 

not too tight.

 

 

 

4.

Verify a high quality electrode is

 

 

 

 

being used.

 

 

 

5.

Wait for the error to reset and the

 

 

 

 

motor to cool (approximately 1

 

 

 

 

minute).

 

 

 

 

 

Err 82

Motor overload, short term.

1. The wire drive motor current draw

1.

Check that motor can turn freely

 

 

has exceeded limits, usually

 

when idle arm is open.

 

 

because the motor is in a locked

2.

Verify that the gears are free of

 

 

rotor state.

 

debris and dirt.

 

 

 

 

 

 

 

 

 

 

CAUTION

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

LN-25 PRO EXTREME

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Contents LN-25 PRO Extreme Safety LN-25 PRO ExtremeElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Sûreté Pour Soudage a LʼArcThank You Table of Contents Installation Technical Specifications LN25 PRO K2613-3Safety Precautions LocationHigh Frequency Protection Weld Cable SizeBuild UP of Shielding GAS MAY Harm Health or Kill Cable ConnectionsShielding GAS Connection Changing the GUN Receiver Bushing Wire Drive ConfigurationProcedure to Install Drive Rolls and Wire Guides GUN Connection Pressure ARM AdjustmentLoading Spools of Wire Power Source to LN25 PRO Extreme Cable Connection Diagrams Across the ARC SET-UPSFigure A.7 Figure A.9 Safety Precautions OperationGeneral Description Figure B.1 Description Analog VoltmeterWire Feed Speed Knob Wire Feed Speed, CV OperationPolarity LED Internal Controls Figure B.2 LN-25 PRO ExtremeCV/CC Switch Cold Feed PushbuttonConstant Current Wire Welding Figure B-3POWER-UP Sequence Rear Controls GAS Purge PushbuttonAccessories Factory Installed EquipmentWire Type Electrode Size KP KIT Drive Roll KitsAccessories Accessories K1500-5 Gun Receiver Bushing compatible Maintenance Routine MaintenancePeriodic Maintenance Calibration SpecificationCover Board LN-25 PRO ExtremeTroubleshooting HOW to USE Troubleshooting GuideDigital Display Models Error Codes Output Problems Troubleshooting Diagrams Diagrams Dimension Print LN-25 PRO Extreme LN-25 PRO Extreme Precaucion Warnung
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