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E-5
TROUBLESHOOTING
E-5
DC-655
Observe all Safety Guidelines detailed throughout this manual
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.
CAUTION
PROBLEMS
PROBLEMS
(SYMPTOMS)
POSSIBLE
CAUSE
RECOMMENDED
COURSE OF ACTION
Machine will not weld. OCV is less
than 1 volt.
The wire feeder will not come on.
1. The machine may be in a over-
load condition. Refer to Machine
Protection in the operation sec-
tion.
2. See the PC board LED informa-
tion.
1. Either the 42VAC or the 115VAC
circuit breakers may be tripped.
Reset if necessary.
2. Check for the presence of the
required voltage to operate the
wire feeder.
3. The control cable or wire feeder
may be faulty.
Contact your Local Lincoln Authorized
Field Service Facility for technical
troubleshooting assistance.