HP 500au Manual do Operador Página 38
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E-4
TROUBLESHOOTING
E-4
AIR VANTAGE® 500 (AU)
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
Engine goes to low idle but does not
stay at low idle.
No welding output or auxiliary output.
Welder has some/ no output and no
control. Auxiliary output OK
No welding output. Auxiliary output
OK.
No auxiliary power.
1. Faulty Peripheral PCB, Pull
Coil/Battery PCB or Weld Control
PCB.
1. Broken lead in rotor circuit.
2. Faulty field diode module.
3. Faulty Weld Control PCB.
4. Faulty rotor.
1. Faulty remote kit.
2. Faulty output control potentiome-
ter.
3. Faulty output control wiring.
4. Faulty Weld Control PCB, Pull
Coil/Battery PCB or Chopper PCB.
1. WELDING TERMINALS switch in
wrong position, be sure switch is
in WELDING TERMINALS
ALWAYS ON position.
2. Faulty Weld Control PCB, Pull
Coil/Battery PCB or Chopper PCB.
1. RCD may have tripped.
2. Open breakers may need to be
reset.
3. Faulty receptacle.
4. Faulty auxiliary circuit wiring.
I
f all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
- AIR VANTAGE 1
- 500 (AU) 1
- FOR ENGINE 2
- ELECTRIC AND 2
- MAGNETIC FIELDS 2
- ELECTRIC SHOCK can 3
- FUMES AND GASES 3
- ARC RAYS can burn 3
- PRÉCAUTIONS DE SÛRETÉ 5
- PRÉCAUTIONS DE SÛRETÉ POUR 5
- LES MACHINES À SOUDER À 5
- TRANSFORMATEUR ET À 5
- REDRESSEUR 5
- Thank You 8
- TABLE OF CONTENTS 10
- INSTALLATION 11
- OPERATION 20
- ACCESSORIES 30
- MAINTENANCE 31
- Service Instructions 32
- TROUBLESHOOTING 35
- ENHANCED DIAGRAM 39
- DIAGRAMS 40
- 41
- DIMENSION PRINT 52
- NOTES 53
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