Lincoln Electric VANTAGE 500-I Operator's Manual page 34

E-5
PROBLEMS
(SYMPTOMS)
No welding power output.
Welder has output but no control.
No auxiliary power.
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.
TROUBLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
POSSIBLE
1. Poor work lead connection to
work. Make sure work clamp is
tightly connected to clean base
metal.
2. "Weld Terminals" switch in wrong
position. Place switch in "Weld
Terminals On" position when
welding without control cable.
3. Faulty PC board or welder alterna-
tor.
1. Poor remote/control cable connec-
tion to 6-pin or 14-pin connector.
Check connections.
2. Faulty remote cable or faulty wire
feeder or wire feeder cable.
Replace if necessary.
3. Faulty control potentiometer or PC
board.
1. Open circuit breakers. Reset
breakers. If breakers keep tripping
reduce power draw.
2. GFCI may have tripped.
Follow "GFCI Testing and
Resetting Procedure" in the MAIN-
TENANCE section of this manual.
3. Faulty connections to auxiliary
receptacles. Check connections.
4. Faulty PC board or welder alterna-
tor.
VANTAGE® 500-I
CAUSE
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
CAUTION
RECOMMENDED
COURSE OF ACTION
E-5