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E-5
TROUBLESHOOTING
E-5
RANGER 250
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 AREAS OF
MISADJUSTMENTS(S)
RECOMMENDED
COURSE OF ACTION
The welding arc is “cold.” The
welding arc is not stable or is not
satisfactory. the engine runs nor-
mally. The auxiliary power is nor-
mal.
1. Make sure the MODE selector
switch is in the correct position
for the process being used. (For
example, CV-WIRE, PIPE, CC-
STICK.)
2. Make sure the electrode (wire,
gas, voltage, current etc.) is cor-
rect for the process being used.
3. Check for loose or faulty con-
nections at the weld output ter-
minals and welding cable con-
nections.
4. The welding cables may be too
long or coiled, causing an exces-
sive voltage drop.
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.