Lincoln Electric ES 275I specifications HOW to uSE TROubLEShOOTING GuIDE

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TROubLEShOOTING

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hOW TO uSE TROubLEShOOTING GuIDE

WARNING

Service and Repair should only be performed by 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 Authorized Field Service Facility.

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

ES 275i

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Contents RED-D-ARC Safety Electric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiIvSAFETY PRÉCAuTIONS DE SûretéThank You TAbLE of Contents Technical Specifications ES ThREE PhASE Single PhASEHIGh FREQuENCY Protection Safety PRECAuTIONSSelect SuITAbLE Location INPuT ConnectionsINPuT Voltage Reconnect PROCEDuRE OuTPuT ConnectionsOuTPuT CAbLES Operational FEATuRES Welding CAPAbILITYLimitations LOCAL/REMOTE SWITCh Place Mode SWITChFull range is from -10Soft to +10Crisp Stick Welding Constant CuRRENT ProcessesPIN Remote Receptacle TIG WeldingPOWER-uP SEQuENCE ThERMAL ProtectionINPuT Filter Capacitor DISChARGE PROCEDuRE FIGuRE D.1 Location of INPuT Filter Capacitor TerminalsROuTINE MAINTENANCE FIGuRE D.2 Location of Maintenance Components TROubLEShOOTING HOW to uSE TROubLEShOOTING GuIDEPC bOARD TROubLEShOOTING PROCEDuRES Board can be dam- aged by static electricityCAuSE COuRSE of Action PRObLEMS POSSIbLESymptoms Input Voltage ReconnectVoltage Reconnect Procedure See Installation Section of this See Input Voltage Reconnect Procedure FacilityWelding PRObLEMS Wiring Diagram RED-D-ARC ES275i Wiring DIAGRAM- CodeG4365-4 Electrical Dimension Print L11981Page Precaucion Warnung