Lincoln Electric VANTAGE 400 AU 11959 Operator's Manual page 36

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PROBLeMs
(syMPtOMs)
Engine will not go to high idle when
using auxiliary power.
Engine will not go to high idle
under weld or auxiliary loading.
Engine does not develop full
power. Engine runs rough.
Engine will not go to high idle when
attempting to weld or using auxil-
iary power. Switching to manual
high idle does not work.
Engine will not shut off.
Engine does not develop full power.
Low weld and auxiliary output.
Engine runs rough.
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.
tROUBLesHOOtING
Observe all Safety Guidelines detailed throughout this manual
POssIBLe
1. Auxiliary power load is less than
100 watts. Idler may not respond
with less than a 100 watt load.
Set idler to "High".
2. Faulty PC board.(Control or Idler).
1. Faulty idler solenoid. Check for
bent linkage or broken spring.
2. Faulty PC board.(Control or Idler).
1. Fuel filter clogged, Replace.
2. Air filter clogged, clean or
replace.
3. High idle setting incorrect, check
and adjust if required.
4. Valves out of adjustment.
5. Fuel contaminated with water or
sediment. Check fuel pre-filter
and empty of water, bleed fuel
system. Replace fuel in tank if
needed.
1. Broken spring on Idle Solenoid,
solenoid linkage binding, Faulty
PC board (Control or Idler), low
idle speed set too low on idle
solenoid.
1. Fuel Shutdown solenoid not func-
tioning properly / linkage binding.
Stop engine by shutting off valve
located on main fuel filter.
Contact authorized local Engine
Service Shop.
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 water separator 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.
VaNtaGe® 400 (aU)
CaUse
If all recommended possible areas
of
checked and the problem persists,
Contact
authorized field service facility.
CaUtION
ReCOMMeNDeD
COURse Of aCtION
misadjustment have
your local Lincoln
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been