Lincoln Electric RANGER 9 SVM 110-A Service Manual page 70

F-15
TROUBLESHOOTING GUIDE
PROBLEMS
(SYMPTOMS)
The wire feeder does not work
when connected to the welder
amphenol.
If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call
216-383-2531 or 1-800-833-9353.
RANGER 9
TROUBLESHOOTING & REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
FUNCTION PROBLEMS
1. Check circuit breaker CB1.
Reset is tripped.
2. The wire feeder control cable
may be faulty.
replace.
3. The wire feeder may be faulty.
Check or replace.
CAUTION
Observe Safety Guidelines
detailed in the beginning of this manual.
RECOMMENDED
COURSE OF ACTION
1. Check for the presence of
115VAC at leads #31A and 32.
See Wiring Diagram.
Check or 2. Check for the presence of
42VAC at leads 31B to 42. See
Wiring Diagram.
3. If any of the above voltages are
missing or low, then check the
circuit breaker CB1 for proper
operation.
4. The bypass PC board may be
defective. Check or replace.
5. Perform the Auxiliary and Field
Winding Test.
F-15
RANGER 9