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MULTIPROCESS WIRE FEEDER WELDER
Observe all Safety Guidelines detailed throughout this manual
PROBLEM
(SYMPTOMS)
Major physical or electrical damage
is evident.
No wire feed, weld output or gas
flow when gun trigger is pulled.
Fan does NOT operate.
No wire feed when gun trigger is
pulled. Fan runs, gas flows and
machine has correct open circuit
voltage (42V) – weld output.
Low or no gas flow when gun trig-
ger is pulled. Wire feed, weld out-
put and fan operate normally.
Arc is unstable – Poor starting
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Lincoln Authorized Service Facility for technical troubleshooting assistance before you proceed.
WWW.LINCOLNELECTRIC.COM/LOCATOR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
"Do not Plug in machine or turn it on".
Contact your local Authorized Field Service Facility.
1. Make sure correct voltage is applied to the machine.
2. Make certain that power switch is in the ON position.
3. Make sure circuit breaker present on the back of the
machine is reset. Ensure wall circuit breaker is reset.
1. If the wire drive motor is running make sure that the cor-
rect drive rolls are installed in the machine.
2. Check for clogged cable liner or contact tip.
3. Check for proper size cable liner and contact tip.
4. Ensure wire drive reconnect lead protruding from the front
of the machine is connected to the proper polarity.
5. Check Magnum PRO 100SG/Magnum 100L PRO switch is
properly switched to activate proper gun.
6. Ensure machine is set to wire mode.
1. Check gas supply, flow regulator and gas hoses.
2. Check gun connection to machine for obstruction or leaky
seals.
3. Ensure gun is fully seated in wire drive by loosening
thumbscrew & fully inserting gun
1. Check for correct input voltage to machine.
2. Check for proper electrode polarity for process. Refer to
procedure decal or quick setup guide.
3. Check gun tip for wear or damage and proper size –
Replace if needed
4. Check for proper gas and flow rate for process. (For MIG
and TIG only.)
5. Check work cable for loose or faulty connections.
6. Check gun for damage or breaks.
7. Check for proper drive roll orientation and alignment.
8. Check liner for proper size.
9. Ensure wing nut on spool of wire is not overtightened.
10. Ensure wire drive tension arm is not over or under tight-
ened
F-2
TROUBLESHOOTING
RECOMMENDED COURSE
OF ACTION
If all recommended possible
areas of misadjustment have
been checked and the prob-
lem persists, Contact your
local Lincoln Authorized
Field Service Facility.
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