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F-9

 

 

 

 

 

F-9

TROUBLESHOOTING & REPAIR

 

 

 

 

TROUBLESHOOTING GUIDE

 

 

Observe Safety Guidelines

 

detailed in the beginning of this manual.

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

 

 

(SYMPTOMS)

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

WELDING PROBLEMS

 

 

 

 

 

 

The arc is unstable and or “hunt-

1. Check for worn or melted contact

1.

Check for loose connections at

ing.”

tip.

 

the output terminals, the chokes,

 

 

 

and all heavy current carrying

 

2. Check for loose or faulty connec-

 

leads.

See

the

Machine

 

tions on the work and electrode

 

Diagram.

 

 

 

 

cables.

 

 

 

 

 

 

 

 

2.

Make sure that the transformer

 

3. Make sure electrode polarity or

 

secondary leads are

securely

 

welding process being used is

 

connected to the Output Rectifier

 

correct.

 

assembly.

 

 

 

 

4. Check for rusty or dirty wire.

3.

Check

the

Output

Voltage

 

 

 

Waveforms. If waveforms are

 

5. Make sure machine settings are

 

not correct Perform the Output

 

correct for process being used.

 

Rectifier Assembly Tests.

 

(shielding gas, wire type, wire

 

 

 

 

 

 

 

size).

4.

Reload latest software. Contact

 

 

 

a Lincoln Electric sales repre-

 

 

 

sentative for latest software.

 

 

5. The Control board may be faulty.

 

 

 

Replace.

 

 

 

 

 

 

 

 

 

 

 

Weld bead is narrow or ropy. May

1. Make sure the weld procedure

1. Check

the

Output

Voltage

have porosity with electrode stub-

and electrode polarity is correct

 

Waveforms.

If waveforms are

bing into plate.

for the process being used.

 

not correct Perform the Output

 

Welding voltage may be too low

 

Rectifier Assembly Tests.

 

for wire feed speed being used.

 

 

 

 

 

 

 

 

2. Reload latest software. Contact

 

2. Make sure shielding gas is cor-

 

a Lincoln Electric sales repre-

 

rect and flow is proper.

 

sentative for latest software.

 

3. Make sure the weld joint is not

3. The Control board may be faulty.

 

“contaminated”.

 

Replace.

 

 

 

 

 

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, contact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 1-800-833-9353.

POWER MIG 300

Page 53
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Lincoln Electric SVM160-B service manual Welding Problems

SVM160-B specifications

The Lincoln Electric SVM160-B is a standout model in the realm of portable arc welders, designed specifically for light to medium-duty welding tasks. As part of Lincoln Electric’s renowned line of welding equipment, the SVM160-B combines efficiency with durability, catering to both professional welders and hobbyists alike.

One of the primary features of the SVM160-B is its lightweight and compact design. Weighing in at just around 60 pounds, it offers excellent portability, allowing users to easily transport the unit to various job sites. This mobility is enhanced by an integrated handle and a rugged construction, making it suitable for both indoor and outdoor applications.

The SVM160-B utilizes advanced inverter technology, which significantly enhances its performance capabilities. This technology not only contributes to the welder's energy efficiency but also allows for a more stable arc, reducing spatter and resulting in cleaner welds. The machine can operate on both 120V and 240V power sources, providing flexibility for users to adapt to different settings and requirements.

Among its key characteristics, the SVM160-B features a welding output range that accommodates various welding needs, allowing users to achieve welds from 20 to 160 amps. This versatility makes it ideal for welding different materials, including mild steel, stainless steel, and aluminum. Furthermore, the unit supports a range of welding processes, including MIG, stick, and TIG welding, enhancing its adaptability for various projects.

Another highlight of the SVM160-B is its user-friendly interface. The control panel is designed to facilitate ease of use, with clearly marked dials and indicators that enable quick adjustments of settings. This intuitive design ensures that both novice and experienced users can operate the machine efficiently and effectively.

Safety features are also a crucial aspect of the SVM160-B. It comes equipped with thermal overload protection, which prevents the unit from overheating during extended use. This built-in safeguard extends the welder's lifespan and enhances user safety.

In summary, the Lincoln Electric SVM160-B is a versatile, portable welder that combines advanced technology with user-friendly features, making it an excellent choice for a wide range of welding applications. Its lightweight design, inverter technology, and robust safety features make it a reliable option for both professionals and enthusiasts. Whether tackling small repairs or larger projects, the SVM160-B stands ready to deliver quality results.