Lincoln Electric SP-255 manual 6TROUBLESHOOTING

Page 42

E-6TROUBLESHOOTING

Observe Safety Guidelines

detailed in the beginning of this manual.

TROUBLESHOOTING GUIDE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

 

POSSIBLE AREAS OF

 

 

 

RECOMMENDED

 

 

 

(SYMPTOMS)

 

 

MISADJUSTMENT(S)

 

 

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FEEDING PROBLEMS

 

 

 

 

 

 

 

Rough wire feeding or wire will not

 

 

1. The gun cable may be kinked or

 

 

 

 

 

 

 

feed but drive rolls are turning.

 

 

 

twisted.

 

 

 

 

 

 

 

 

 

 

2.

The wire may be jammed in the

 

 

 

 

 

 

 

 

 

 

 

gun cable, or gun cable may

 

 

 

 

 

 

 

 

 

 

 

be dirty.

 

 

 

 

 

 

 

 

 

 

3.

Check drive roll tension and

 

 

 

 

 

 

 

 

 

 

 

position of grooves.

 

 

 

 

 

 

 

 

 

 

4.

Check for worn or loose

 

 

 

 

 

 

 

 

 

 

 

drive roll.

 

 

 

If all recommended possible areas

 

 

 

 

 

 

5.

The electrode may be rusty or

 

 

 

 

 

 

 

 

 

 

dirty.

 

 

 

of misadjustment have been

 

 

 

 

 

 

6.

Check for damaged or incorrect

 

 

 

checked and the problem persists,

 

 

 

 

 

 

 

contact tip.

 

 

 

contact your local Lincoln

 

 

 

 

 

 

 

 

 

 

 

Authorized Field Service Facility.

 

 

 

There is no wire feed but arc

 

 

1. If the drive rolls are turning

 

 

 

 

 

 

voltage is present.

 

 

 

check the drive roll tension.

 

 

 

 

 

 

 

 

 

 

 

Check for restrictions in the wire

 

 

 

 

 

 

 

 

 

 

 

feeding path.

 

 

 

 

 

 

 

 

 

 

2.

If the drive rolls are not turning

 

 

 

 

 

 

 

 

 

 

 

when the gun trigger is pulled

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

there is a problem within the

 

 

 

 

 

 

 

 

 

 

 

SP-255.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

If using a Spool Gun adapter kit,

 

 

 

 

 

 

 

 

 

 

 

make sure transfer switch is in

 

 

 

 

 

 

 

 

 

 

 

the correct position.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

 

POSSIBLE AREAS OF

 

 

RECOMMENDED

 

 

(SYMPTOMS)

 

 

MISADJUSTMENT(S)

 

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GAS FLOW PROBLEMS

 

 

 

 

 

Gas does not flow when gun trigger

 

 

1. The Process gas type may be

 

 

 

 

 

is pulled.

 

 

 

set to NONE for Innershield.

 

 

 

 

 

 

 

 

 

Press Process key and enter

 

 

 

 

 

 

 

 

 

correct process including gas.

 

 

 

 

 

 

 

 

2.

Make sure gas supply is con-

 

 

If all recommended possible areas

 

 

 

 

 

 

nected properly and turned “on”.

 

 

of misadjustment have been

 

 

 

 

 

3.

If the gas solenoid does actuate

 

 

checked and the problem persists,

 

 

 

 

 

 

when the gun trigger is pulled

 

 

contact your local Lincoln

 

 

 

 

 

 

there may be a restriction in the

 

 

Authorized Field Service Facility.

 

 

 

 

 

 

 

 

 

 

 

gas supply line.

 

 

 

 

 

 

 

 

4.

The gun cable assembly may be

 

 

 

 

 

 

 

 

 

faulty. Check or replace.

 

 

 

 

 

 

 

 

5.

If using a Spool Gun adapter kit,

 

 

 

 

 

 

 

 

 

make sure transfer switch is in

 

 

 

 

 

 

 

 

 

the correct position.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.

IDEALARC SP-255

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Contents Safety Depends on You Idealarc SP-255Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Master Table of Contents for ALL Sections Section F Section DSection E AppendixINSTALLATIONA-1 Technical Specifications Idealarc SP-255Input Power and Grounding Connections 2INSTALLATIONSafety Precautions Uncrating the SP-255INSTALLATIONA-3 GUN and Cable InstallationOutput Polarity Connection 4INSTALLATION Shielding GASOPERATIONB-1 Fumes and Gases can be dangerousWelding Capability 2OPERATIONRecommended Processes and Equipment LimitationsStart Mode Selections Process WIRE/GAS KEYOPERATIONB-3 Auto KEY Procedure Keys4OPERATION Typical Auto KEY Press SequencesOPERATIONB-5 Memory KeysTypical Memory Number KEY Press Sequence Timer Keys6OPERATION Spot KEYGUN Switch Keys OPERATIONB-78OPERATION Typical Toggle KEY Press SequenceStep Trigger Interlock Keys Using 4-STEP Trigger Interlock FunctionOPERATIONB-9 Typical Activate KEY Press SequenceProcedure for Changing Drive Roll GUN SwitchesWire Drive Roll Wire Reel LoadingTo Start the Welder Idle Roll Pressure SettingOPERATIONB-11 Feeding ElectrodeMaking AN Auto Mode Weld 12OPERATIONOPERATIONB-13 14OPERATION Wire Feed Overload ProtectionExplanation of Prompting and Error Messages Welding Thermal Overload ProtectionOPERATIONB-15 Operation ACCESSORIESC-1 2ACCESSORIES ACCESSORIESC-3 Disabling Spool GUNIdealarc SP-255 Cable Cleaning MAINTENANCED-1Safety Precautions Routine Maintenance2MAINTENANCE Liner Removal ReplacementMAINTENANCED-3 GUN Handle DisassemblyMagnum 250SP GUN Parts and Accessories Idealarc SP-255 TROUBLESHOOTINGE-1 HOW to USE Troubleshooting GuideProblems Possible Areas Symptoms Misadjustments 2TROUBLESHOOTINGTroubleshooting Guide Authorized Field Service FacilityTROUBLESHOOTINGE-3 4TROUBLESHOOTING Authorized Field Service FacilityContact your local Lincoln TROUBLESHOOTINGE-5 Function Problems6TROUBLESHOOTING Contact your local Lincoln Authorized Field Service FacilityWiring Diagrams SP-255 Wiring Diagram L9688 Dual VoltageWiring Diagrams Dimension Print Page Page Page Page How To Read Shop Drawings $700.00Precaucion Warnung Limited Warranty
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