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TROUBLESHOOTING & REPAIR
F-18 F-18
RANGER 10-LX
TROUBLESHOOTING GUIDE Observe Safety Guidelines
detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
FUNCTION PROBLEMS
The CV output contactor does not
pull in when the wire feeder switch
(S8) is in the NO CONTROL CABLE
position.
1. Make sure the wire feeder is
connected correctly to the
RANGER 10-LX.
1. Check the Wire Feeder switch
(S8) and associated leads. See
Wiring Diagram.
2. Check for loose or faulty con-
nections on leads #224F, #2C,
#2D, #244, and #243. Also
check the sensing leads #240
and #242.
3. Check the Idler switch (S5) and
associated leads. See Wiring
Diagram.
4. The control board may be
faulty.
The CV output contactor does not
deactivate (drop out) when a wire
feeder with a control cable is con-
nected to the RANGER 10-LX.
1. Make certain the Wire Feeder
switch (S8) is in the “WITH
CONTROL CABLE” position.
2. The Wire Feeder control cable
may be faulty. Check or
replace.
3. The wire feeder may be faulty.
Check or replace.
1. Check to make sure that lead
#2C is not grounded. See
Wiring Diagram.
2. Remove lead #224F from the
CV output contactor. If the con-
tactor does not deactivate, the
contactor may be faulty. Repair
or replace.
CAUTION
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.