Lincoln Electric IM992 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
#A53>#;@5A>@GF:AD;L76;7>6*7DH;5735;>;FK for technical troubleshooting assistance before you proceed.
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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.
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).
3. Faulty Electronic Governor con-
troller.
1. Faulty idler solenoid. Check for
bent linkage or broken spring.
2. Faulty PC board.(Control or
Idler).
3. Faulty Electronic Governor con-
troller.
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.
Faulty PC Board (Control or Idler).
2. Faulty Electronic Governor con-
troller.
1. Fuel shutdown solenoid not func-
tioning properly. Faulty electronic
governor controller. 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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