Lincoln Electric CV-400-I manual Options Troubleshooting Guide, Problems

Page 26

E-6

 

TROUBLESHOOTING

 

E-6

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

OPTIONS TROUBLESHOOTING GUIDE

 

 

 

K857 (or other) Remote Output Control

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

 

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENTS(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

 

 

 

 

 

 

 

 

Output control not functioning on

1.

Local/Remote switch in wrong

1.

Place switch in "Remote".

 

Remote Control.

 

position.

 

 

 

 

 

2.

Faulty Local/Remote switch.

2.

Check and replace if found faulty.

 

 

 

3.

Faulty Remote Control poten-

3.

Check and replace if found faulty.

 

 

 

 

tiometer.

 

 

 

 

 

4.

Leads or connections open in

4.

Check all leads and connections,

 

 

 

 

control circuit.

 

internal or remote, for continuity;

 

 

 

 

 

 

repair if necessary.

 

 

 

5.

Faulty Control PC board.

5.

See PC Board Troubleshooting

 

 

 

 

 

 

Procedure.

 

 

 

 

 

 

 

Voltage Adjust not functioning on the

1.

Local/Remote switch in the

1.

Place switch in "Local" position.

 

machine.

 

wrong position.

 

 

 

 

 

2.

Faulty Local/Remote switch.

2.

Check and replace if found faulty.

 

 

 

3.

Faulty Voltage Adjust

3.

Check and replace if found faulty.

 

 

 

 

potentiometer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

CV-400-I

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Contents Idealarc CV-400-I Safety California Proposition 65 WarningsElectric Shock can kill Cylinder may explode if damaged Précautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Table of Contents Installation Technical Specifications Idealarc CV-400-IInput Connections Safety PrecautionsSelect Suitable Location StackingField Installed Options Output ConnectionsParalleling General Warnings OperationOperating Instructions Power Source Operation Operational Features and ControlsDesign Features General DescriptionControls and Settings Thermal Protection Indication LightIndicates Warning Information Located on Right Case Side Voltage ControlC. Output Connectors Output Panel ConnectionsCase Back Connections VAC ReceptacleOverload Protection Auxiliary PowerStarting the Machine Compatible Lincoln Equipment AccessoriesFactory Installed OPTIONS/ACCESSORIES Safety Precautions MaintenanceGeneral Maintenance Machine and Circuit Protection1TROUBLESHOOTINGE-1 HOW to USE Troubleshooting GuideError Code Trouble Remedy TroubleshootingBUILT-IN Diagnostic Routines and Error Codes Machine Troubleshooting Guide ProblemsPossible Areas Recommended Symptoms Wire feeders For application Improper procedures Options Troubleshooting Guide ProblemsControl PC Board Meter PC BoardOutput Voltage Fault Protection OperationOptional K857 Remote Control Check Checking Snubber CircuitDiagrams Wiring Diagram CV 400-I ExportWiring Diagram CV 400-I Europe CV Power Source to AN LN-7 and K857 To Work K480 Input Cable Electrode CableCV Power Source to a K867 AdapterPower Source to a K867 / K775 / LN-7 CV/CV-I Power Source To AN LN-25Power Source to AN LN-25 / K444-1 Lincoln Power Source to AN LN-742 WireInstallation Instructions TWIST-MATE Cable Plug Installation Instructions Connection of NON-LINCOLN Wire Feeders Dimension PrintHow To Read Shop Drawings Precaucion Warnung