Lincoln Electric DC-600 series Operator's Manual page 38

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Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
Poor arc starting when the DC600
is in the CV Sub-Arc or CV
Innershield Modes.
Machine has output but trips off
immediately when wire feed unit
trigger is activated
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
TROUBLESHOOTING
POSSIBLE
CAUSE
WELDING PROBLEMS
1. Make sure the proper welding
procedures are being used.
(wire feed speed , arc voltage
and wire size)
2. Check weld cables for loose or
faulty connections.
1. Remove output cables from
DC-600. If problem is resolved
check for external short
between weldiong cables. Also
check control cable (#75, #76,
& #77) for grounds or shorts.
CAUTION
DC-600
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
Contact your local Lincoln
Authorized Field Service Facility.
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