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F-8 F-8
RANGER 250
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TROUBLESHOOTING & REPAIR
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely,
contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
1-800-833-9353.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
FUNCTION PROBLEMS
The wire feeder does not work
when connected to the welder
amphenol.
1. Check the appropriate circuit
breaker (CB1 or CB8). Reset if
tripped.
2. The wire feeder control cable
may be faulty.
3. The wire feeder may be faulty.
1. Check for the presence of
appropriate source voltage at
the 14-pin amphenol.
2. If the appropriate voltage (42
VAC or 115 VAC) is NOT pre-
sent at the 14-pin amphenol,
check for loose or faulty con-
nections. See the Wiring
Diagram.
3. Perform the Stator Voltage
Test.
The battery does not stay charged. 1. Check for loose or faulty con-
nections at the battery and
engine charging system.
2. The battery may be faulty.
Check or replace.
1. If the yellow engine alternator
light is on, perform the
Flywheel Alternator Test.
2. If the battery is not charging and
the yellow engine alternator
light is not lit. The battery board
may be faulty.
CAUTION
Observe Safety Guidelines
detailed in the beginning of this manual.
TROUBLESHOOTING GUIDE