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F-13

TROUBLESHOOTING & REPAIR

F-13

 

Observe Safety Guidelines detailed in the beginning of this manual.

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

(SYMPTOMS)

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

OUTPUT PROBLEMS

 

An Across-the-Arc type wire feeder

Check that the welding terminals

Use a voltmeter to check for the

does not function when connected

switch is in the “WELD TERMI-

presence of about 58 VDC open

to the weld output of the machine.

NALS ON” position.

circuit voltage (OCV) across the

The Vantage® operated normally

Check the that WELD MODE

output studs of the machine.

in the CC-STICK mode, and has

switch is in the correct position for

If the OCV is low, there may be a

normal AC auxiliary output.

the process being used, typically

problem with the mode switch.

 

“CV-WIRE” mode.

Perform the CONTROL POTEN-

 

Check for poor weld cable connec-

TIOMETER AND WELD MODE

 

tions between the feeder and the

SWITCH RESISTANCE TEST.

 

welder output terminal, and

 

 

between the work and the other

If there is no OCV, see the trou-

 

output terminal.

bleshooting sections for “No weld

 

Check that the wire feeder’s work

output in any mode”.

 

sensing lead is properly connected

 

 

to the work piece and is in good

 

 

condition.

 

 

The wire feeder may be defective.

 

 

 

 

The engine will not crank when the

Check the circuit breaker (CB5).

Check the wiring and the connec-

start button is pushed.

Reset if tripped.

tions at the starter motor, glow plug

 

Make sure the run/stop switch is in

button, CB5 circuit breaker, run /

 

the “RUN” position.

stop switch and the start button.

 

Check for loose or faulty battery

See wiring diagram. Check the

 

cable connections. See wiring dia-

chassis ground connections

 

gram.

between the engine block and the

 

The battery may be low or faulty. If

negative battery terminal. Place

 

the battery will not accept a charge

the run/stop switch to the “RUN”

 

replace it.

position. Press the start button,

 

The starter or starter solenoid may

while checking for voltage between

 

be faulty (have the engine serviced

a good clean chassis ground con-

 

at an authorized engine repair

nection (-) and lead #231 (+) at the

 

shop).

starter solenoid. See the wiring

 

 

diagram. If not voltage is present,

 

 

check the start button, the run/stop

 

 

switch and the CB5 circuit ground

 

 

breaker. See wiring diagram. If

 

 

battery voltage is present, the

 

 

starter motor or solenoid may be

 

 

defective, or the engine may be

 

 

prevented from turning due a

 

 

mechanical failure.

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-888-935-3877.

VANTAGE® 400

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Lincoln Electric 400 service manual Tiometer and Weld Mode
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400 specifications

The Lincoln Electric 400 is a state-of-the-art multi-process welding machine designed to meet the demands of today’s industrial welding applications. Renowned for its reliability and versatility, this welder is a preferred choice among professionals in fabrication, construction, and maintenance industries.

One of the main features of the Lincoln Electric 400 is its multi-process capability. It seamlessly integrates MIG, TIG, and stick welding processes into a single unit, allowing users to switch between methods depending on the job at hand. This flexibility makes it incredibly suitable for a wide range of materials, including steel, stainless steel, and aluminum.

The welding machine boasts a robust power output, with a maximum range of 400 amps. This impressive capacity enables it to handle thick materials effectively, making it ideal for heavy-duty tasks. The machine operates on both single-phase and three-phase power, giving users the advantage of versatility depending on the power source available at the job site.

Another significant characteristic of the Lincoln Electric 400 is its advanced digital display and control interface. This user-friendly panel allows for easy adjustments to voltage and wire feed speed, ensuring precision and high-quality welds. Additionally, the machine includes built-in features to improve the consistency of welding, such as the Smart MIG technology which optimizes the welding parameters automatically based on the wire diameter and material thickness.

In terms of durability, the Lincoln Electric 400 is designed for rugged environments. Its heavy-duty construction, including a robust metal casing and protective features, ensures it can withstand the rigors of daily use in harsh conditions. Furthermore, the welder is often praised for its efficient cooling system, which prolongs the machine's lifespan and maintains optimal performance even during extended usage.

Portability is another key aspect of this welding machine. Weighing under 200 pounds, it is designed with mobility in mind. The integrated wheels allow for easy transportation between job sites, making it a practical choice for mobile welders and contractors.

In conclusion, the Lincoln Electric 400 stands out in the welding equipment market due to its multi-process capabilities, impressive power output, user-friendly interface, durability, and portability. It is engineered to exceed the expectations of professional welders, providing them with the tools needed for high-quality results across a variety of applications.
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