Lincoln Electric Cross Country 300 Service Manual page 23

LINCOLN ELECTRIC
Observe Safety Guidelines
detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
An across-the-arc type wire
feeder does not function when
connected to the weld output
of the machine. The machine
operates normally in the CC-
Stick mode and has normal AC
auxiliary output.
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 1-888-935-3877.
POSSIBLE AREAS OF
MISADJUSTMENT(S)
WELDING PROBLEMS
1. Check that the weld mode
selector switch is in the correct
position for the process being
used, typically 'CV-WIRE' mode.
2. Check for poor weld cable
connections between the
feeder and the welder output
terminal and between the work
piece and the other output
terminal.
3. Check that the wire feeder's
work sensing lead is properly
connected to work piece and is
in good condition.
4. If there is a voltage reading
on the wire feeder voltmeter,
the wire feeder may be
defective.
CAUTION
Cross Country™ 300 Service Manual
TROUBLESHOOTING GUIDE
RECOMMENDED
COURSE OF ACTION
1. Use a voltmeter to check for
the presence of about 58 VDC
open circuit voltage (OCV)
across the output studs of the
machine.
2. If the OCV is low, there may
be a problem with the mode
switch.
3. Perform the Weld Mode
Selector Switch Test Procedure.
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