Lincoln Electric IM520-B manual Function Problems

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TROUBLESHOOTING

Troubleshooting Guide

Observe Safety Guidelines detailed in the beginning of this manual.

 

 

 

 

 

 

 

PROBLEMS

 

 

POSSIBLE AREAS OF

 

 

(SYMPTOMS)

 

 

MISADJUSTMENT(S)

 

 

 

 

 

FUNCTION PROBLEMS

 

 

The yellow light (PL1) on the front

 

 

1. Normal condition - this light

 

 

panel is not lit.

 

 

will glow only if machine is in

 

 

 

 

 

an overheated condition.

 

 

 

 

 

(Thermal overload).

 

 

 

 

 

 

 

 

One or more keypad lights (LEDS)

 

 

1. Be sure that the proper weld

 

 

are dark and cannot be lit when

 

 

mode is selected. For

 

 

their respective keys are pressed -

 

 

example, the high frequency

 

 

machine is operable.

 

 

keys and keypad lights

 

 

 

 

 

(LEDS) are not active in the

 

 

 

 

 

stick mode.

 

 

 

 

 

 

 

 

The Beeper (Piezoelectric Buzzer)

 

 

1. Background noise may be too

 

 

cannot be heard - machine

 

 

loud for user to hear beeper.

 

 

operating normally.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECOMMENDED COURSE OF ACTION

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

Contact your local Lincoln Authorized Field Service Facility.

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.

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Contents Square Wave TIG Safety Electric Shock can kill Welding Sparks can cause fire or explosion Précautions DE Sûreté Sûreté Pour Soudage a L’ArcPlease Examine Carton and Equipment For Damage Immediately Table of Contents Installation Stacking Safety PrecautionsSelect Suitable Location TiltingInput Connections Rear PanelOutput Connections TIG Torch ConnectionStick Electrode Cable Connection Operating Instructions Safety InstructionsOperation General WarningsOperation Work General Description Operational Features and ControlsDesign Features and Advantages Recommended Processes EquipmentWelding Capability LimitationsControls and Settings Control Panel KeysDisplay Case Front ControlsWelding Operation Hand and Foot Amptrol Accessory OperationRecommended Polarity Settings for TIG Welding TIG WeldingTIG Welding Sequence of Operation 2-STEP Mode Typical Current Ranges for Tungsten ElectrodesAdvanced TIG Welding Features TIG Welding Sequence of Operation 4-Step ModeAC Wave Balance and Auto Balance Overload Protection Auxiliary PowerStick Welding ALL MachinesInstallation of Field Installed Options AccessoriesOptions / Accessories Undercarriage FunctionMaintenance MaintenanceRoutine and Periodic Maintenance General Assembly Exploded View Troubleshooting How To Use Troubleshooting GuideTroubleshooting Guide Problems Possible Areas Symptoms MisadjustmentsRecommended Course of Action Troubleshooting Function Problems TIG Mode Problems TIG Welding Problems Troubleshooting Stick Welding Problems Wiring Wiring Diagram Wiring Diagram Square Wave TIG 255 Code 10451, 10452Need Welding Training? How To Read Shop DrawingsNew Lessons in Arc Welding Basic CoursePrecaucion WarnungAtenção Warnung Limited Warranty