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Troubleshooting, Caution – Lincoln Electric IM10128 AIR VANTAGE 500 KUBOTA (AU) User Manual

Page 39

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E-5

TROUBLESHOOTING

E-5

AIR VANTAGE

®

500(AU) KUBOTA

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

(SYMPTOMS)

POSSIBLE

CAUSE

RECOMMENDED

COURSE OF ACTION

No welding power output.

Welder has output but no control.

Wire feeder does not work when
control cable is connected to 14 pin
connector.

No auxiliary power.

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. Wire Feeder Power circuit breaker

open. Check 42V breaker and
reset if tripped.

2. Faulty control cable. Repair or

replace cable.

3. Faulty wire feeder. Replace wire

feeder.

1. RCD may have tripped.
2. Open breakers may need to be

reset.

3. Faulty receptacle.
4. Faulty auxiliary circuit wiring.

If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.