Lincoln Electric Vantage LE500X Operator's Manual page 51

VANTAGE 441X/LE500X
®
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.
Engine goes to low idle but does
not stay at low idle.
No welding output or auxiliary out-
put.
Welder has some/ no output and no
control. Auxiliary output OK
No welding output. Auxiliary output
OK.
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
tightening.
1. Idler switch in HIGH idle position,
make sure switch is set to AUTO.
2. Check Engine CAN Leads for
proper connection.
1. Poor work lead connection to
work.
2. Welding Terminals switch in wrong
position.
3. No open circuit voltage at output
studs.
4. Check Engine CAN Leads for
proper connection
1. Broken wire in auxiliary current
sensing wiring.
2. Auxiliary power load is less than
100 watts.
3. Check Engine CAN Leads for
proper connection
1. Incorrect winding on auxiliary
toroid.
2. Check wiring for weld circuit to
ground.
1. Broken lead in rotor circuit.
2. Faulty field diode module.
3. Faulty rotor.
1. Faulty remote kit.
2. Faulty output control
potentiometer.
3. Faulty output control wiring.
4. Faulty CHUI PCB or Chopper
PCB.
1. WELDING TERMINALS switch in
wrong position, be sure switch is
in WELDING TERMINALS ON
position.
2. Faulty CHUI PCB or Chopper
PCB.
E-3
TROUBLESHOOTING
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.