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F-9
TROUBLESHOOTING AND REPAIR
F-9
POWER WAVE 455/POWER FEED 10
POWER WAVE
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
The wire feeder won’t work. No
lights. Apparently the wire feeder
is not being powered-up.
1. Make certain the Power Wave
455 is turned on.
2. Check circuit breaker CB1 locat-
ed on the case front of the
Power Wave 455. Reset if nec-
essary.
3. Check the 6 amp circuit breaker
(CB4) located on the reconnect
panel. Reset if necessary.
4. Check the control cable
between the power source and
the wire feeder.
Check for loose or broken con-
nections. Check continuity on
all five leads from one end to
the other.
1. Check for 40 VDC on pin “D” (+)
and pin “E” (-) at the Power
Wave 455 wire feeder recepta-
cle. See wiring diagram.
If 40 volts DC is not present at
the Power Wave wire feeder
receptacle, perform the
Power
Board Test.
2. Check the power board rectifier.
See wiring diagram.
3. Perform the
T1 Auxiliary
Transformer Test.
4. If the 40 volts DC is present at
the Power Wave wire feeder
receptacle, the problem is in
the control cable or the
wire drive/control box. See
Wire Drive/Control Box
Troubleshooting.
FUNCTION PROBLEMS
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