Lincoln Electric CV-250 manual Troubleshooting, BUILT-IN Diagnostic Routines and Error Codes

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TROUBLESHOOTING

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Observe all Safety Guidelines detailed throughout this manual

BUILT-IN DIAGNOSTIC ROUTINES AND ERROR CODES

The CV-250 Meter PC Board displays error codes when certain trouble conditions exist. The error codes, trouble conditions, and possible remedies are listed below.

ERROR

CODE

TROUBLE

REMEDY

E00

1.

Output short circuited.

1.

Turn power off. Remove short circuit.

 

2.

May be encountered while

2.

a) Turn power off to clear error. Use recommended

 

 

starting or welding with 1/16" alu-

 

wfs, voltage settings and angle of approach of wire

 

 

minum wire.

 

to work.

 

 

 

 

b) If problem still persists, call Local Lincoln

 

 

 

 

Authorized Field Service Facility.

E10

Thermostat circuit has opened.

Allow machine to cool. Be sure to provide adequate

 

 

 

ventilation for machine.

 

 

 

E20

Memory error.

See PC Board Troubleshooting Procedure.

 

 

 

 

 

E30

1.

Voltage Adjust potentiometer not

1.

Check wiring between Voltage Adjust and the

 

 

connected.

 

Control PC Board.

 

2.

Remote Control not functioning

2.

See Options Troubleshooting Guide.

 

 

correctly.

 

 

 

 

 

E40

Input line voltage too low.

Turn power off. Insure machine input voltage is within

 

 

 

specifications. Turn power back on.

 

 

 

E50

Input line voltage too high.

Turn power off. Insure machine input voltage is within

 

 

 

specifications. Turn power back on.

 

 

 

E60

Overload condition.

Reduce load on machine.

 

 

 

 

 

If, after attempting the remedies listed above, the error condition still exists, the problem may be with the wiring in the following areas: the shunt (leads 218 and 219), or voltage feedback (leads 213B, 214B and 224B).

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-250

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Contents Idealarc Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéThank You Table of Contents Technical Specifications Idealarc CV-250 InstallationSelect Suitable Location Safety PrecautionsInput Connections StackingOutput Connections Field Installed OptionsParalleling Operation Operating InstructionsGeneral Warnings Design Features Operational Features and ControlsPower Source Operation General DescriptionThermal Protection Indication Light Controls and SettingsVoltage Control Indicates Warning Information Located on Right Case SideOutput Panel Connections C. Output ConnectorsAuxiliary Power Starting the MachineOverload Protection Accessories Factory Installed OPTIONS/ACCESSORIES Compatible Lincoln Equipment General Maintenance MaintenanceSafety Precautions Machine and Circuit ProtectionHOW to USE Troubleshooting Guide 1TROUBLESHOOTINGE-1Troubleshooting BUILT-IN Diagnostic Routines and Error CodesError Code Trouble Remedy Problems Machine Troubleshooting GuidePossible Areas Recommended Symptoms Poor arc striking with semiautomatic Poor work connection Options Troubleshooting Guide Meter PC Board Control PC BoardOptional K857 Remote Control Check Fault Protection OperationOutput Voltage Checking Snubber CircuitWiring Diagram CV 250 60Hz CV Power Source to AN LN-7 and K857 DiagramsAdapter Source to a K867Power Source to a K867 / K775 / LN 250 CV Power Source to AN LN-25CV Power Source to AN LN-25 / K444-1 Lincoln Power Source PIN Amphenol Installation Instructions TWIST-MATE Cable Plug Installation Instructions Connection of NON-LINCOLN Wire Feeders Dimension Print $700.00 How To Read Shop DrawingsPrecaucion Warnung