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F-2
TROUBLESHOOTING GUIDE
PROBLEMS
(SYMPTOMS)
Major physical or electrical dam-
age is evident when the sheet
metal cover(s) are removed.
Machine is dead – no output – no
fans – no displays.
Machine has no output – fans are
running – display is on – a "click-
ing" sound is heard coming from
the machine.
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.
TROUBLESHOOTING
POSSIBLE AREAS OF
MISADJUSTMENT(S)
OUTPUT PROBLEMS
1. Contact your local authorized
Lincoln Electric Field Service
Facility for technical assistance.
1. Make certain that the input
power switch (S1) is in the "ON"
position.
2. Check for proper input voltage
– must match the rating on the
machine nameplate.
3. Make certain the reconnect
panel is configured properly for
the applied voltage.
4. Check fuse (F1) in the recon-
nect panel. If faulty, replace with
5-amp slow-blow fuse.
1. Turn power OFF immediately.
2. Check for proper input voltage
(per machine nameplate).
3. Make certain the reconnect
panel is configured properly for
the applied voltage.
CAUTION
POWER WAVE 450
Observe Safety Guidelines
detailed in the beginning of this manual.
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustments have been
checked and the problem per-
sists, contact your local Lincoln
Authorized Field Service Facility.
F-2
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Table of Contents
Troubleshooting
