Lincoln IM985 Welder User Manual


 
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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
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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.
1. Broken wire in auxiliary current
sensor wiring.
2. Auxiliary power load is less than
100 watts.
Idler may not respond
with less than a 100 watt load. Set
idler to "High".
3. Faulty PC board.
1. Faulty PC board or Engine ECU.
1. Fuel filter clogged,
Replace.
2. Air filter clogged,
clean or replace.
3. Valves out of adjustment.
4. Fuel contaminated with water or
sediment. Check water separator
and empty of water, bleed fuel
system. Replace fuel in tank if
needed.
1. Faulty PC board or Engine ECU.
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.
I
f all recommended possible areas
of misadjustment have been
checked and the problem persists,
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