Lincoln Electric IM993 VANTAGE 300 - Manual (Page 38)

E-5 TROUBLESHOOTING E-5
VANTAGE ® 300
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 does not develop full power.
Low weld and auxiliary output.
Engine runs rough.
No welding power output.
Welder has output but no control.
Wire feeder does not work when
control cable is connected to 14 pin
connector.
1. Fuel filter dirty/clogged. Replace.
2. Air filter dirty/clogged. Replace Air
Filter Element.
3. Fouled fuel injector(s). Contact
authorized Engine Service Shop.
4. Fuel contaminated with water.
Check Main Filter Bowl and Inline
Fuel filters for water. Clean and
replace as needed. Replace fuel
in tank.
5. Cracked or loose fuel hose.
Replace hose and tighten clamps.
6. Valves out of adjustment. Contact
authorized local Engine Service
Shop.
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 and 120V
beakers and reset if tripped.
2. Faulty control cable. Repair or
replace cable.
3. Faulty wire feeder. Replace wire
feeder.
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.