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®
VANTAGE
566
Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
Battery does not stay charged.
Engine will not idle down to low
speed.
Engine will not go to high idle when
attempting to weld.
Engine will not go to high idle when
using auxiliary power.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Lincoln Authorized Service Facility for technical troubleshooting assistance before you proceed.
WWW.LINCOLNELECTRIC.COM/LOCATOR
POSSIBLE
CAUSE
FUNCTION PROBLEMS
1. Faulty battery.
2. Faulty engine alternator.
3. Loose or broken lead in charging
circuit.
4. Loose fan belt may need tighten-
ing.
1. Idler switch in HIGH idle position,
make sure switch is set to AUTO.
2. Faulty relay.
3. Faulty Weld Control PCB (Printed
Circuit Board)
1. Poor work lead connection to
work.
2. Welding Terminals switch in
wrong position.
3. No open circuit voltage at output
studs.
4. Faulty Weld Control PCB.
1. Broken wire in auxiliary current
sensor wiring.
2. Auxiliary power load is less than
100 watts.
3. Faulty Weld Control PCB.
CAUTION
E-3
TROUBLE SHOOTING
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
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