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E-5
TROUBLESHOOTING
E-5
CV-300
Observe all Safety Guidelines detailed throughout this manual
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.
CAUTION
PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENTS
RECOMMENDED
COURSE OF ACTION
Output Control not functioning on the
machine.
Poor arc striking with semiautomatic
wire feeders.
Poor arc characteristics
1. Local/Remote switch is in
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.
1. Poor work connection.
2. Improper procedures.
3. Wire feed acceleration too fast or
too slow.
4. Defective PC Board.
1. Control PC Board defective.
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.