4TROUBLESHOOTING | Lincoln Electric SP-255 manual

E-4TROUBLESHOOTING

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
The welding arc is unstable or	1. Check the work cable for loose
“hunting”.		or faulty connections.
	2.	Check the contact tip and
		replace if worn or damaged.	If all recommended possible areas
	3.	Make sure the welding polarity is	of misadjustment have been
			of misadjustment have been
			checked and the problem persists,
		correct for the process being	contact your local Lincoln
		used.	Authorized Field Service Facility.
	4.	Make sure the shielding gas is
		correct for the process being
		used.
	5.	The gun and cable assembly
		may be faulty. Replace.
		may be faulty. Replace.

IDEALARC SP-255

Page 40

Image 40

Lincoln Electric SP-255 manual 4TROUBLESHOOTING, Contact your local Lincoln, Authorized Field Service Facility

Contents

Safety Depends on You Idealarc SP-255 Safety California Proposition 65 Warnings Electric Shock can kill Welding Sparks can cause fire or explosion Iii Précautions DE Sûreté Sûreté Pour Soudage a L’Arc Thank You Master Table of Contents for ALL Sections Section D Section ESection F Appendix INSTALLATIONA-1 Technical Specifications Idealarc SP-255 2INSTALLATION Safety PrecautionsInput Power and Grounding Connections Uncrating the SP-255 GUN and Cable Installation INSTALLATIONA-3Output Polarity Connection 4INSTALLATION Shielding GAS OPERATIONB-1 Fumes and Gases can be dangerous 2OPERATION Recommended Processes and EquipmentWelding Capability Limitations Process WIRE/GAS KEY Start Mode SelectionsOPERATIONB-3 Procedure Keys 4OPERATIONAuto KEY Typical Auto KEY Press Sequences OPERATIONB-5 Memory Keys Timer Keys 6OPERATIONTypical Memory Number KEY Press Sequence Spot KEY GUN Switch Keys OPERATIONB-7 8OPERATION Typical Toggle KEY Press Sequence Using 4-STEP Trigger Interlock Function OPERATIONB-9Step Trigger Interlock Keys Typical Activate KEY Press Sequence GUN Switches Wire Drive RollProcedure for Changing Drive Roll Wire Reel Loading Idle Roll Pressure Setting OPERATIONB-11To Start the Welder Feeding Electrode Making AN Auto Mode Weld 12OPERATION OPERATIONB-13 Wire Feed Overload Protection Explanation of Prompting and Error Messages14OPERATION Welding Thermal Overload Protection OPERATIONB-15 Operation ACCESSORIESC-1 2ACCESSORIES ACCESSORIESC-3 Disabling Spool GUN Idealarc SP-255 MAINTENANCED-1 Safety PrecautionsCable Cleaning Routine Maintenance 2MAINTENANCE Liner Removal Replacement GUN Handle Disassembly MAINTENANCED-3Magnum 250SP GUN Parts and Accessories Idealarc SP-255 TROUBLESHOOTINGE-1 HOW to USE Troubleshooting Guide 2TROUBLESHOOTING Troubleshooting GuideProblems Possible Areas Symptoms Misadjustments Authorized Field Service Facility TROUBLESHOOTINGE-3 Authorized Field Service Facility 4TROUBLESHOOTINGContact your local Lincoln TROUBLESHOOTINGE-5 Function Problems 6TROUBLESHOOTING Contact your local Lincoln Authorized Field Service Facility Wiring Diagrams SP-255 Wiring Diagram L9688 Dual Voltage Wiring Diagrams Dimension Print Page Page Page Page How To Read Shop Drawings $700.00 Precaucion Warnung Limited Warranty

E-4TROUBLESHOOTING

TROUBLESHOOTING GUIDE

OUTPUT PROBLEMS

contact your local Lincoln

Authorized Field Service Facility.

IDEALARC SP-255