Troubleshooting and repair, Caution – Lincoln Electric POWER MIG 11521 User Manual
Page 43
OUTPUT PROBLEMS
Observe Safety Guidelines detailed in the beginning of this manual.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely,
contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed.
Call 1-888-935-3877.
CAUTION
(continued from previous page)
3. Check the gun trigger leads.
Leads #324 to #325 should have
continuity (zero ohms) when the
gun trigger is activated. If not,
the gun trigger or cable may be
faulty. Check or replace.
4. Check to make sure the switch
on the Magnum 100SG Adapter
Panel is in the Magnum Push
Gun Position.
5. If a spool gum option kit is
installed, check to make sure it is
set to the “normal” position if
using the Power MIG® 215XT
built in wire feeder.
When the gun trigger is activated
and the wire feeds normally, but
there is no open circuit voltage.
1. Make sure the gun cable and
work cables are connected prop-
erly and in good condition.
2. Make sure the output selector
switch is in a good condition posi-
tion and not between positions.
1. Check the output selector
switch for proper operation and
good connections.
2. Perform the Output Contactor
3. Perform the Output Bridge
4. Perform the Main Transformer
5. Check the heavy current carry-
ing leads between the output
selector switch, output contac-
tor, output bridge rectifier, and
the output terminals for loose or
faulty connections. See Wiring
Diagram.
TROUBLESHOOTING AND REPAIR
F-5
F-5
Power MIG® 215XT