Lincoln Electric CV-305 manual Poor arc characteristics Control PC Board defective

Models: CV-305

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E-5

 

TROUBLESHOOTING

E-5

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

PROBLEMS

POSSIBLE

RECOMMENDED

 

 

(SYMPTOMS)

CAUSE

COURSE OF ACTION

 

 

 

 

 

 

PROBLEMS

Output Control not functioning on the 1.

Local/Remote switch is in

machine.

the "Remote" position.

2.

Faulty Voltage Adjust

 

potentiometer.

3.

Leads or connections open in

 

control circuit.

4.

Malfunctioning Remote Control.

5.

Faulty Control PC board.

 

 

Poor arc striking with semiautomatic 1.

Poor work connection.

wire feeders.

 

2.

Improper procedures.

3.

Wire feed acceleration too fast or

 

too slow.

4.

Defective PC Board.

If all recommended possible areas of misadjustment have been checked and the problem persists,

Contact your local Lincoln Authorized Field Service Facility.

Poor arc characteristics

1. Control PC Board defective.

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-305

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Lincoln Electric CV-305 manual Poor arc characteristics Control PC Board defective