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FLEET
400
PROBLEMS
(SYMPTOMS)
Engine shuts down while under a load.
Engine runs rough.
Battery does not stay charged.
Engine alternator trouble light is on while
machine is running.
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
Lincoln Authorized Service Facility for technical troubleshooting assistance before you proceed.
WWW.LINCOLNELECTRIC.COM/LOCATOR
POSSIBLE
Observe all Safety Guidelines detailed throughout this manual
1. High oil temperature
1. Dirty fuel or air filters. Inspect and
clean/replace filters as needed. Inspect
and clean/replace filters as needed.
2. Water in fuel. If water found in tank. Empty
fuel tank and refill then purge fuel lines.
3. Fuel injector clogged or malfunctioning.
1. Faulty battery. Replace.
2. Loose connections at battery or alternator.
Clean and tighten connections.
3. Faulty engine alternator or charger
module. Consult authorized Engine Service
Shop.
4. Loose fan belt may need tightening.
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.
CAUSE
If all recommended possible areas of misad-
justment have been checked and the problem
persists, Contact your local Lincoln Authorized
Field Service Facility.
E-3
TROUBLESHOOTING
RECOMMENDED
COURSE OF ACTION
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