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TROUBLESHOOTING & REPAIR
F-14 F-14
POWER WAVE 450
TROUBLESHOOTING GUIDE Observe Safety Guidelines
detailed in the beginning of this manual.
CAUTION
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-
800-833-9353.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
FUNCTION PROBLEMS
Machine display reads “Error
Invalid Overlay,” or it displays an
invalid ID number on power-up.
1. Make certain the overlay is
installed properly.
2. Inspect the infrared sensors on
the front panel. If they are
dirty, blow them out with low
pressure air and clean with a
soft cloth.
3. Inspect for damage to the Bar
Code(s) (black squares) on the
back of the overlay. Also
check for dirt build-up on back
of overlay. Wipe off with a soft
rag.
1. Perform the Sensor
Calibration Test.
Machine displays “ERROR: S.L.
NOT INITIALIZED” on power-up.
1. Contact your local Lincoln
Authorized Field Service
Facility for technical assis-
tance.
1. Perform the Serial Loop
Wiring Harness Test.
2. The control board may be
faulty. Replace and perform
voltage calibration and current
calibration.
3. The display board may be
faulty. Replace and perform
voltage calibration.
4. The power board may be
faulty. Replace.
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