Lincoln Electric INVERTEC POWER WAVE 450 IM524-D - Manual (Page 44)

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.
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.
If all recommended possible areas
of misadjustments have been
checked and the problem per-
sists, contact your local Lincoln
Authorized Field Service Facility.
TROUBLESHOOTING
E-2 E-2
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 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