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IDEALARC SP-255
E-6
TROUBLESHOOTING
Observe Safety Guidelines
detailed in the beginning of this manual.
TROUBLESHOOTING GUIDE
If for any reason you do not understand the test procedures or are unable to Perform the tests/repairs safely, contact your
LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.
CAUTION
PROBLEMS
(SYMPTOMS)
Rough wire feeding or wire will not
feed but drive rolls are turning.
There is no wire feed but arc
voltage is present.
POSSIBLE AREAS OF
MISADJUSTMENT(S)
1. The gun cable may be kinked or
twisted.
2. The wire may be jammed in the
gun cable, or gun cable may
be dirty.
3. Check drive roll tension and
position of grooves.
4. Check for worn or loose
drive roll.
5. The electrode may be rusty or
dirty.
6. Check for damaged or incorrect
contact tip.
1. If the drive rolls are turning
check the drive roll tension.
Check for restrictions in the wire
feeding path.
2. If the drive rolls are not turning
when the gun trigger is pulled
there is a problem within the
SP-255.
3. If using a Spool Gun adapter kit,
make sure transfer switch is in
the correct position.
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
contact your local Lincoln
Authorized Field Service Facility.
FEEDING PROBLEMS
PROBLEMS
(SYMPTOMS)
Gas does not flow when gun trigger
is pulled.
POSSIBLE AREAS OF
MISADJUSTMENT(S)
1. The Process gas type may be
set to NONE for Innershield.
Press Process key and enter
correct process including gas.
2. Make sure gas supply is con-
nected properly and turned “on”.
3. If the gas solenoid does actuate
when the gun trigger is pulled
there may be a restriction in the
gas supply line.
4. The gun cable assembly may be
faulty. Check or replace.
5. If using a Spool Gun adapter kit,
make sure transfer switch is in
the correct position.
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas
of misadjustment have been
checked and the problem persists,
contact your local Lincoln
Authorized Field Service Facility.
GAS FLOW PROBLEMS