E-2

TROUBLESHOOTING

E-2

 

 

 

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