Troubleshooting, Caution – Lincoln Electric IM983 RED-D-ARC DC655e (CE) User Manual

Page 29

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E-5

TROUBLESHOOTING

E-5

DC655e (CE) (RED-D-ARC)

Observe all Safety Guidelines detailed througout 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 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.

Poor arc characteristics.

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.

1. The negative welding cable may

be connected to the wrong induc-
tance tap.

2. Make sure the mode switch is in

the proper position for the
process.

3. The control board may be faulty.

See PC board LED information.

Contact your Local Authorized Field
Service

Facility

for

technical

troubleshooting assistance.

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