Lincoln Electric SVM127-A Manual De Usuario

The welding arc is variable or
"hunting."

1.  Make sure the welding parame-

ters are correct for the welding
procedure being used.

2.  Check the welding cables for

loose or faulty connections.

3.  The gun cable may be faulty.

Check or replace.

4.  Check cable liner for proper

size.

5.  The gun contact tip may be

worn.  Check or replace.

6.  The welding power supply may

be faulty.  Check or replace.

1. 

 

Put the power source in
"Machine Control" for voltage,
and check if welding perfor-
mance improves.  If the problem
is resolved, check or replace the
control cable.  Or, the LN-9 volt-
age PC board may be faulty.

2.  Perform  the 

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
216-383-2531 or 1-800-833-9353.