Lincoln Electric IM10077 POWER FEED 25M - Manual (Page 70)

E-3 TROUBLESHOOTING E-3
POWER FEED™ 25M
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
CAUSE
RECOMMENDED
COURSE OF ACTION
The feeder does power up - no dis-
play, no cold feed.
No shielding gas.
Inconsistent wire feeding or wire not
feeding but drive rolls turning.
1. The POWER FEED™ 25M power
switch is OFF.
2. The Power Wave power source is
OFF.
3. The circuit breaker for the wire
feeder on power source have
tripped.
4. The control cable may be loose or
damaged.
5. The power switch is damaged.
1. The gas supply is OFF or empty.
2. The gas hose is cut or crushed.
3. Dirt or debris is in the solenoid.
4. There is a loose solenoid connec-
tion or the solenoid has failed.
5. The solenoid has failed.
1. The gun cable is kinked and/or
twisted.
2. The wire is jammed in the gun and
cable.
3. The gun liner is dirty or worn.
4. The electrode is rusty or dirty.
5. The contact tip is partially melted
or has spatter.
6. Improper gun liner, tip, drive rolls
and/or inner wire guide.
7. Incorrect tension arm pressure on
the drive rolls.
8. Worn drive roll.
1. Turn the POWER FEED™ 25M
power switch ON.
2. Turn ON the Power Wave power
source.
3. Reset the circuit breakers.
4. Tighten, repair or replace the con-
trol cable.
5. Replace the power switch.
1. Verify the gas supply is ON and
flowing.
2. Route the gas hose so it avoids
sharp corners and make sure
nothing is on top of it. Repair or
replace damaged hoses.
3. Apply filtered shop at 80psi to the
solenoid to remove dirt.
4. Remove the cover and check that
all connections are in good condi-
tion.
5. Replace the solenoid.
1. Keep the gun cable as straight as
possible. Avoid sharp corners or
bends in the cable.
2. Remove the gun from the wire
feeder and pull the jammed wire
out of the gun and cable.
3. Blow dirt out of the liner with low
pressure (40psi or less). Replace
the liner if worn.
4. Use only clean electrode. Use
quality electrode, like L-50 or L-56
from Lincoln Electric.
5. Replace the contact tip.
6. Verify the proper parts are
installed.
7. Adjust the tension arm per the
Instruction Manual. Most elec-
trodes feed well at a tension arm
setting of "3".
8. Replace the drive rolls if worn or
filled with dirt.
Output Problems