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F-4

TROUBLESHOOTING AND REPAIR

F-4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Observe Safety Guidelines detailed in the beginning of this manual.

 

 

 

 

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

 

 

RECOMMENDED

(SYMPTOMS)

MISADJUSTMENT(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

 

 

Major physical

or electrical

1. Contact

your

local

Lincoln

1. Contact Lincoln Electric Service

damage is evident.

Electric authorized field service

Department 1-888-935-3877.

 

 

facility.

 

 

 

 

 

 

 

 

 

 

 

The machine is dead--no open

1. Make certain the input power

1. Check the input power switch

circuit voltage and no wire feed

switch (S1) is in the “ON”

(S1). It may be faulty.

when the gun trigger is activated.

position.

 

 

 

 

 

2. Check for broken or missing

The cooling fan is not running.

 

 

 

 

 

 

2. Check the input voltage at the

wires at the reconnect panel.

 

 

 

 

machine. The input voltage

3. Perform the Main Transformer

 

 

must match the rating plate and

 

 

the reconnect panel.

 

 

Test.

 

 

 

 

 

 

 

 

 

 

 

3. Check for blown or missing

 

 

 

 

 

fuses in the input lines.

 

 

 

 

 

 

 

There is no open circuit voltage or

1. Make sure the input voltage is

1. The baffle mounted rectifier

wire feed when the gun trigger is

correct

and

matches

the

bridge may be faulty. Check

activated. The

cooling fan is

nameplate rating and reconnect

and replace if necessary.

running.

 

panel configuration.

 

 

2. Perform the Main Transformer

 

 

 

 

 

 

 

 

 

 

2. One of the two thermostats may

Test.

 

 

 

 

be open due to machine

3. Check the thermostats and

 

 

overheating.

If the machine

 

 

operates

normally

after a

associated leads for loose or

 

 

faulty connections. See the

 

 

cooling off period then check for

 

 

Wiring Diagram.

 

 

 

proper

fan

operation

and

 

 

 

 

 

 

 

 

ventilation.

Make certain the

4. The

internal

triggering

 

 

machine’s

duty cycle is

not

circuit/plugs may be faulty. See

 

 

being exceeded.

 

 

 

 

 

 

the Wiring Diagram.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5. The control board may be faulty.

 

 

 

 

 

 

 

 

 

 

 

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.

Power MIG® 215XT

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Image 42
Lincoln Electric 11521 service manual Perform the Main Transformer
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11521 specifications

The Lincoln Electric 11521 is a highly regarded choice among welders and metal fabricators, known for its reliability and efficiency. This portable MIG welder excels in delivering professional-grade results, making it suitable for both beginners and experienced welders. One of the standout features of the Lincoln Electric 11521 is its user-friendly design, which facilitates ease of use and enhances the overall welding experience.

Equipped with a powerful 180 amp output, the Lincoln Electric 11521 is capable of tackling a wide range of welding applications. It operates on a standard 230-volt outlet, allowing users to work on various materials, including mild steel, stainless steel, and aluminum, with thicknesses up to 5/16 inch. This versatility is crucial for those who handle different types of projects, from automotive repairs to home improvement tasks.

The welder employs a spool gun for welding aluminum, ensuring a smooth and efficient feeding of the wire. This technology mitigates the problems commonly associated with feeding aluminum wire through a regular gun, providing a seamless experience. Additionally, the Lincoln Electric 11521 features an adjustable welding speed and voltage, enabling users to fine-tune their settings to match the specific requirements of each project. This adaptability leads to better penetration, bead shape, and overall weld quality.

Another important aspect of the Lincoln Electric 11521 is its durability. Constructed with high-quality materials, this welder is designed for tough jobs and can withstand the wear and tear associated with heavy use. The unit's compact size and lightweight design further enhance its practicality, making it easy to transport between job sites or store when not in use.

Safety is a crucial element in welding, and the Lincoln Electric 11521 does not compromise on this aspect. It features a thermal overload protection system, which prevents damage to the machine by shutting it down in case of overheating. The welder also includes a gas-saving mode that intelligently reduces the gas flow during idle times, maximizing efficiency.

In summary, the Lincoln Electric 11521 is a versatile and reliable MIG welder that caters to a wide range of welding needs. With its powerful output, user-friendly features, advanced technologies, and robust safety mechanisms, it is an excellent investment for professionals and hobbyists alike looking to achieve high-quality welds with ease.
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