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F-7

 

 

 

F-7

 

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

 

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

 

 

 

The engine starts and runs at the

1. Check the AC auxiliary output

1. Check for loose or faulty con-

 

correct speed, but there is no AC

circuit breakers. Reset is nec-

nections between the recepta-

 

auxiliary output voltage. The DC

essary.

cles, the circuit breakers, the

 

welding generator is functioning

2. Check the 115VAC and 230VAC

current

transformer and

the

 

correctly.

exciter alternator stator.

See

 

receptacles and plugs for loose

 

 

the Wiring Diagram.

 

 

 

 

or faulty connections.

 

 

 

 

 

 

 

 

 

 

 

2. Check

the 115VAC

and

 

 

 

230VAC windings in the alterna-

 

 

 

tor stator for shorted turns or

 

 

 

grounds.

Check the continuity

 

 

 

of the windings. See the Wiring

 

 

 

Diagram.

 

 

The engine starts and runs normal-

1. Contact your local Authorized

1. Check the “flashing” diode

ly. The machine takes a long time

Field Service Facility.

located on the DC generator

to “build-up” and produce output

 

brush holder. The diode may

voltage. The AC auxiliary voltage

 

be “shorted” or installed incor-

varies when the Fine Current

 

rectly.

Control rheostat is adjusted.

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con- tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 216- 383-2531 or 1-800-833-9353.

SA-250

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Lincoln Electric SVM128-A service manual Output Problems

SVM128-A specifications

The Lincoln Electric SVM128-A is a cutting-edge welding machine designed to meet the demands of both professional welders and DIY enthusiasts. This versatile welding power source brings together advanced technology and robust design, making it a reliable choice for various welding applications.

One of the standout features of the SVM128-A is its capability to perform multiple welding processes. It supports MIG, TIG, and stick welding, allowing users to tackle a wide range of projects with ease. This multi-functionality makes it ideal for professionals working in different industries, as well as for hobbyists who enjoy diverse welding tasks.

The SVM128-A is equipped with inverter technology, which enhances its performance by providing a more stable arc and improved energy efficiency. This technological advancement contributes to lower operational costs and allows for a more consistent weld quality across different materials and thicknesses. Additionally, the inverter technology enables the machine to be lightweight and portable, making it convenient for jobs that require mobility.

Another prominent characteristic of the SVM128-A is its user-friendly interface. The machine features intuitive controls and a digital display that allows operators to easily set the desired welding parameters. This simplified setup helps reduce the learning curve for new users while also offering precise control for experienced professionals.

The Lincoln Electric SVM128-A is designed with durability in mind. Its robust construction ensures that it can withstand the rigors of frequent use in demanding environments. The machine is also equipped with various safety features, including thermal overload protection and a duty cycle rating that prevents overheating, ultimately extending its lifespan.

For optimal performance, the SVM128-A provides adjustable output options, allowing users to customize the welding parameters based on their specific needs. This flexibility makes it suitable for welding various metals, including steel, aluminum, and stainless steel.

In summary, the Lincoln Electric SVM128-A combines versatility, advanced technology, and a user-friendly design. With its capability to perform multiple welding processes, lightweight construction, and durable features, it stands out as an excellent option for anyone looking to achieve high-quality welds. Whether for professional or personal use, the SVM128-A is poised to deliver reliable performance and exceptional results.