Lincoln Electric RED-D-ARC LN-25TM PRO EXTREME IM10078 Operator's Manual page 29

Lincoln electric welder user manual
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E-2
PRObLEMS
(SYMPTOMS)
Err 81
Err 82
The feeder does power up - no dis-
play, no cold feed.
(Across the Arc models)
The wire feeder power up but there
is no output when the trigger is
pulled. The shielding gas is flowing
and the drive rolls turn.
No shielding gas.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
TROubLEShOOTING
Observe all Safety Guidelines detailed throughout this manual
POSSIbLE
Digital Display Models Error Codes
Motor overload, long term.
Motor overload, short term.
Output Problems
1. The work sense lead is discon-
nected or is a poor electrical con-
nection. (Across the arc models)
2. The power source is OFF.
3. The circuit breaker for the wire
feeder on power source have
tripped. (control cable models)
4. The control cable may be loose or
damaged. (control cable models)
1. The contactor coil connections are
loose.
2. The contactor has failed.
1. The gas supply is OFF or empty.
2. The gas hose is cut or crushed.
3. The flow meter valve is closed.
4. Dirt or debris is in the solenoid.
5. There is a loose solenoid connec-
tion.
6. The solenoid has failed.
RED-D-ARC LN-25™ PRO EXTREME
CAuSE
1. Check that the electrode slides
2. Remove tight bends from the gun
3. Check that the spindle brake is
4. Verify a high quality electrode is
5. Wait for the error to reset and the
1. Check that motor can turn freely
2. Verify that the gears are free of
1. Connect the work sense lead to
2. Turn ON the power source.
3. Reset the circuit breakers.
4. Tighten, repair or replace the con-
1. Verify the contactor coil connec-
2. Replace the contactor.
1. Verify the gas supply is ON and
2. Route the gas hose so it avoids
3. Open the flow meter valve.
4. Apply filtered shop at 80psi to the
5. Remove the cover and check that
6. Replace solenoid.
CAuTION
RECOMMENDED
COuRSE OF ACTION
easily through the gun and cable.
and cable.
not too tight.
being used.
motor to cool (approximately 1
minute).
when idle arm is open.
debris and dirt.
the work in a location free of dirt,
rust and paint.
trol cable.
tions.
flowing.
sharp corners and make sure
nothing is on top of it. Repair or
replace damaged hoses.
solenoid to remove dirt.
all connections are in good condi-
tion.
E-2

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