Lincoln Electric IM10092 manual TROUbLESHOOTING, Electric Shock can kill

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TROUbLESHOOTING

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HOW TO USE TROUbLESHOOTING GUIDE

WARNING

Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.

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This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow the three-step procedure listed below.

Step 1. LOCATE PROBLEM (SYMPTOM).

Look under the column labeled “PROBLEM (SYMP- TOMS)”. This column describes possible symptoms that the machine may exhibit. Find the listing that best describes the symptom that the machine is exhibiting.

Step 2. POSSIBLE CAUSE.

The second column labeled “POSSIBLE CAUSE” lists the obvious external possibilities that may contribute to the machine symptom.

Step 3. RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause, generally it states to contact your local Lincoln Authorized Field Service Facility.

If you do not understand or are unable to perform the Recommended Course of Action safely, contact your local Lincoln Authorized Field Service Facility.

WARNING

ELECTRIC SHOCK can kill.

•Turn the input power OFF at the welding power source before installation or changing drive rolls and/or guides.

•Do not touch electrically live parts.

•When inching with the gun trigger, electrode and drive mechanism are "hot" to work and ground and could remain energized several seconds after the gun trigger is released.

•Welding power source must be connected to system ground per the National Electrical Code or any applicable local codes.

•Only qualified personnel should perform maintenance work.

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-25™ PIPE

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Contents Safety Depends on You LN-25PIPESafety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcSafety Methods of Reducing Emissions Mains Supply Vii Please Examine Carton and Equipment For Damage ImmediatelyOn-Line Product Registration TAbLE of Contents Installation Technical Specifications LN-25 Pipe K2614-10Wire SIzES High Frequency Protection Safety PrecautionsLocation Weld CAbLE SIzEFunction Pin Wiring CAbLE ConnectionsShielding GAS Connection Wire Drive Configuration Procedure to Install Drive Rolls and Wire GuidesChanging the GUN Receiver bUSHING GUN Connection Pressure ARM AdjustmentLoading Spools of Wire Fe, CrNiPower Source to LN-25 Pipe DescriptionCV-305 LN-25 PipeSafety Precautions OperationGeneral Description Wire Feed Speed KNOb Case Front Controls See Figure b.1Thermal LED, Motor Overload POWER-UP Sequence Wire Feed SPEED/AMPERAGE DisplaySET-UP Menu WFS CALIbRATION with Digital Meters Wire Feed Speed UnitsModel Run-in Wire Feed Speed RUN-INDisplay Hold Left Display SelectionAmperage CALIbRATION WFS KNOb RangeInternal Controls Figure b.2Cold Feed PUSHbUTTON Step Trigger Interlock SwitchInternal Controls Description Step TriggerRear Controls GAS Purge PUSHbUTTONAccessories Factory Installed EquipmentDrive Roll Kits See Parts Pages Accessories K1500-5 Gun Receiver Bushing compatible Maintenance Routine MaintenancePeriodic Maintenance TROUbLESHOOTING Electric Shock can killPOSSIbLE PRObLEMSSymptoms Cause Recommended Course of ActionOutput Problems TROUbLESHOOTING Diagrams LN-25 PipeDimension Print Precaucion Warnung
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