![Lincoln Electric Vantage 441X/LE500X Operator'S Manual Download Page 51](http://html1.mh-extra.com/html/lincoln-electric/vantage-441x-le500x/vantage-441x-le500x_operators-manual_1918745051.webp)
E-3
TROUBLESHOOTING
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
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
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.
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
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
FUNCTION PROBLEMS
Observe all Safety Guidelines detailed throughout this manual
Engine goes to low idle but does
not stay at low idle.
1. Incorrect winding on auxiliary
toroid.
2. Check wiring for weld circuit to
ground.
No welding output or auxiliary out-
put.
1.
Broken lead in rotor circuit.
2.
Faulty field diode module.
3.
Faulty rotor.
Welder has some/ no output and no
control. Auxiliary output OK
1. Faulty remote kit.
2. Faulty output control
potentiometer.
3. Faulty output control wiring.
4. Faulty CHUI PCB or Chopper
PCB.
No welding output. Auxiliary output
OK.
1. WELDING TERMINALS switch in
wrong position, be sure switch is
in WELDING TERMINALS ON
position.
2. Faulty CHUI PCB or Chopper
PCB.
VANTAGE
®
441X
/LE500X