Lincoln Electric SVM101-B Manual De Usuario

Observe Safety Guidelines

detailed in the beginning of this manual.

No ouput. Main fuses open, indicat-
ing excessive current draw.

Inspect input leads for possible
shorts or grounds or misconnec-
tions.

Install new fuses and reapply power.
If fuses open again, go to next col-
umn of this Guide.

Inspect interior of machine for phys-
ical signs of electrical and heat dam-
age. Replace any damaged compo-
nents after conducting the tests
below:

1.

test.

2.

test.

3.

tests.

4.

test.

Machine does not produce more
than 250 amps on meter (while
welding) while connected to single-
phase supply

Normal operation.

Nothing is wrong.

No test necessary. The single-
phase operation is detected by the
Protection Board and the output cur-
rent is limited accordingly.

Machine operates okay at 230 VAC
or lower. No output at 380 VAC or
higher

Check input voltage and input volt-
age reconnect procedures. See
Installation section of this manual.

1.

Check Re-connect Switches

2.

test.

3.

tests.

4.

test.

5.

test.

Machine does not produce more
than 250 amps on meter (while
welding) when connected to 
3-phase supply.

Check input voltages, fuses, and
input voltage reconnect procedures.
See Installation section of this man-
ual.

1.

test.

2.

Control Board may be defective.

3.

test (com-

ponent D13).

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con-
tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed.  Call
1-888-935-3877.