Lincoln Electric Cross Country 300 Service Manual page 22

LINCOLN ELECTRIC
Observe Safety Guidelines
detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
The machine seems to be
locked into the 'CC-stick' mode
of operation.
The arc quality is poor with
excessive spatter. The arc heat
can be controlled and
maintained normally, the
auxiliary output is normal and
the engine operates normally.
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)
FUNCTION PROBLEMS
1. Check the position of the
weld mode selector switch.
The switch should positively
snap into each mode position
and should not feel 'gritty' or
get stuck between positions.
1. The 'Arc Control' may be set
too high.
2. The output control may be
set too high for the electrode
being used.
3. Check that the electrode is
of good quality, dry and free
from contamination. Try using
some Lincoln electrode and
setting the machine per
Lincoln's recommendations.
4. If shielding gas is used, check
that the gas and gas flow are
correct.
5. Check for damaged, pinched
or leaking gas lines.
6. Check for proper work and
electrode leads and
connections (size, length, coils
or bad connections).
CAUTION
Cross Country™ 300 Service Manual
TROUBLESHOOTING GUIDE
RECOMMENDED
COURSE OF ACTION
1. Check connector J7 on the
weld control board to see that
it is properly seated and the
pins in both the plug and the
board receptacle are in good
condition.
2. Perform the Weld Mode
Selector Switch Test Procedure.
3. The weld control board may
be faulty.
1. Perform the Weld Mode
Selector Switch Test Procedure.
2. Perform the Output Rectifier
Bridge Test Procedure.
3. Perform the Chopper
Module Function Test
Procedure.
4. The weld control board may
be faulty.
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