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TROUBLESHOOTING
E-6 E-6
POWER WAVE 450
Machine does not respond to keys
being pressed, or the machine has
improper displays.
Machine display reads “Error
Invalid Overlay,” or it displays an
incorrect overlay ID number on
power-up.
Machine displays “ERROR: S.L.
NOT INITIALIZED” on power-up.
1. Each time an overlay is
changed make certain that the
machine is powered-up with the
new overlay in place.
2. Make certain that the correct
overlay ID number is displayed on
power-up. Refer to the Operation
Section of this manual.
3. In some cases, some of the
keys on the overlay may be locked
out. Refer to the Operation Section
of this manual for the overlay
descriptions.
1. Make certain the overlay is
installed properly.
2. Inspect the overlay bar code
sensors on the front panel (Fig 17
Item 8). If they are dirty, blow them
out with low pressure air and clean
with soft cloth.
3. Inspect for damage to the Bar
Code(s) on the back of the overlay.
1. Contact your local Lincoln
authorized Field Service Facility
for Technical assistance.
If all recommended possible areas
of misadjustments have been
checked and the problem per-
sists, contact your local Lincoln
Authorized Field Service Facility.
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 tests/repairs safely, con-
tact your local authorized Lincoln Electric Field Service Facility for technical assistance.
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENT(S)
RECOMMENDED
COURSE OF ACTION
OUTPUT PROBLEMS