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E-6
TROUBLESHOOTING
E-6
POWER WAVE 455/R
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 your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
POSSIBLE AREAS OF
MISADJUSTMENTS(S)
RECOMMENDED
COURSE OF ACTION
The PowerWave is triggered to weld,
but there is no output.
In the STT mode, the arc is exces-
sively long and erratic.
In the STT mode, the spatter is high-
er than normal and the arc is incon-
sistent.
The feeder will not cold inch wire
Arc loss fault on robot
1. Check for fault signals from the
I/O connector. Possible faults are
lack of water flow/ water flow
turned off.
1. Check that the (21) work sense
lead is connected.
1. Check that the (21) work sense
lead is connected.
2. Verify that the electrode lead is
connected to the STT stud and
not the "POWERWAVE" stud.
3. Check that the "POWERWAVE"
stud is not electrically connected
to the STT stud.
1. Check for fault signals from the
I/O connector. Possible faults are
lack of water flow/ water cooler
turned off.
1. Possibly caused by wire feeding
problem.
2 Problem - Conduit leading to the
wire feeder has bends or twists,
which can reduce the wire feed
speed.
Solution - Remove bends and
twists from conduit.
3. Problem – Conduit leading up to
the wire feeder from the wire reel
is too long.
Solution – Use a shorter length of
conduit.
WELDING PROBLEMS
If all recommended possible areas
of misadjustments have been
checked and the problem persists,
contact your local Lincoln
Authorized Field Service Facility.