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F-13
TROUBLESHOOTING AND REPAIR
F-13
POWER WAVE 455/POWER FEED 10
POWER FEED
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 the Lincoln Electric
Service Department for technical troubleshooting assistance before you proceed. Call 216-383-2531 or 1-800-833-9353.
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CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
Major physical or electrical dam-
age is evident when the sheet
metal cover(s) are removed.
No wire feed, solenoid or arc volt-
age. The STATUS LEDs are
steady green.
No control of wire feed speed. All
STATUS LEDs are steady green.
The preset wire feed speed is
adjustable on the Control Box.
No welding arc voltage when the
gun trigger is activated. The wire
feeds normally and the gas sole-
noid functions properly. The
STATUS LEDs are steady green
on the wire drive unit and the
Contol Box.
The wire feed speed does not
change when welding current is
established. The WFS stays at the
run-in speed. The STATUS LEDs
are steady green.
1. Contact your local authorized
Lincoln Electric Field Service
Facility for technical assistance.
1. The gun trigger may be faulty.
Check or replace.
2. Make certain the Control Box is
configured for a wire feeding
mode.
3. Check option panel connec-
tions and switch(s) for proper
operation.
1. Check for a mechanical restric-
tion in the wire feed path.
1. The power source may unable
to produce welding output due
to a thermal fault or other mal-
function. Check STATUS LED
on Power Wave 455 machine.
See
Power Wave 455
Troubleshooting.
1. The run in and weld wire feed
speeds may be set to the same
value. Set run in speed to a
value that gives best starting
results.
1. Contact the Lincoln Electric
Service Department, 216-383-
2531 or 1-800-833-9353
(WELD).
1. Check the continuity of leads
#556 and #557 from the gun
trigger receptacle to plug J5
pins #11 and #12. See wire
drive wiring diagram.
2. The wire drive control board
may be faulty.
3. The Control Box control board
may be faulty.
1. Perform the
Tach Feedback
Test.
2. The wire drive control board
may be faulty.
1. Make certain the Power Wave
455 power source is function-
ing correctly.
2. The wire drive control board
may be faulty.
3. The Control Box control board
may be faulty.
1. Perform the
Current Trans-
ducer Test.
2. If the run in wire feed speed
cannot be adjusted, perform the
Tach Feedback Test
and also
the
Drive Motor Test.
3. The wire drive control board
may be faulty.
FUNCTION PROBLEMS
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