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F-8

 

 

 

 

 

 

F-8

TROUBLESHOOTING & REPAIR

 

 

 

 

 

Observe Safety Guidelines

 

TROUBLESHOOTING GUIDE

detailed in the beginning of this manual.

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

 

 

 

(SYMPTOMS)

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

FUNCTION PROBLEMS

 

 

 

 

 

 

 

The Auxiliary Receptacle is "dead."

1. Check the 3.5 amp circuit

1. Check the receptacle and asso-

The 120VAC is not present at the

breaker (CB3) located in the

 

ciated wiring for loose or faulty

receptacle.

reconnect area. Reset if neces-

 

connections.

See

the Wiring

 

sary.

 

Diagram.

 

 

 

 

 

 

 

2.

Perform

the

T2

Auxiliary

 

 

 

Transformer Test.

 

 

 

 

 

 

 

 

The Power Wave 455M is "trig-

1. Make sure that the triggering

Use troubleshooting

software to

gered" for output but there is no

method and device is correct

find the problem.

 

 

 

 

welding output.

and operating properly.

Refer to L.E. setup utility user man-

 

 

 

 

ual section.

 

 

 

 

 

 

 

 

 

 

 

When in the STT mode,

1. Make certain the work sense

1. Perform

the

STT Chopper

the spatter is higher than normal

lead (21) is connected properly.

 

Board Test.

 

 

 

 

and the arc is inconsistent.

2. Make certain the electrode

2.

Perform

 

the

Current

 

 

 

cable is connected only to the

 

Transducer (STT) Test.

 

 

 

STT output terminal and NOT

3.

Check calibration

using

L.E.

 

the Power Wave positive output

 

 

dianolostic software, and

con-

 

terminal, or both.

 

 

 

firm correct wire feed speed to

 

 

 

 

3. Make sure the welding parame-

 

display

 

 

 

 

 

 

ters are correct for the process.

4. The Control

Board may be

 

 

 

 

 

faulty.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 1-888-935-3877.

POWER WAVE 455M/MSTT

Page 54
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Lincoln Electric SVM173-A service manual STT Chopper

SVM173-A specifications

The Lincoln Electric SVM173-A is a highly regarded welding power supply that stands out for its advanced features, robust performance, and innovative technologies. This machine is specifically designed to meet the demands of both industrial and commercial welding applications, making it a versatile choice for professionals.

One of the main features of the SVM173-A is its high efficiency, which contributes to reduced energy costs and enhanced productivity. The device operates on a powerful DC output, ensuring stable and reliable arc performance. This is particularly beneficial when working with various materials, allowing for smooth and consistent welds.

The SVM173-A leverages Lincoln Electric's proprietary inverter technology. This innovation allows for a lighter weight and more compact design without compromising on power. The inverter technology also enables precise control of the welding parameters, which is critical for maintaining quality across different welding tasks. Additionally, the machine features a wide input voltage range, accommodating various power sources and enhancing its adaptability on job sites.

Another key characteristic of the SVM173-A is its user-friendly interface. The machine is equipped with an intuitive control panel that allows users to easily adjust settings, making it accessible for both novice and experienced welders. The digital display provides clear readouts of output parameters and error notifications, facilitating quick troubleshooting in the field.

Safety is paramount in welding operations, and the SVM173-A incorporates several protection features. These include overcurrent protection, overheating protection, and circuit protection, ensuring that the machine operates safely and efficiently under various conditions.

The SVM173-A also supports a wide range of welding processes, including MIG, TIG, and stick welding. This flexibility makes it an ideal choice for workshops that require a multi-process machine capable of handling diverse applications. Furthermore, the SVM173-A supports spool gun operation, which is particularly useful for aluminum welding, enhancing its versatility even further.

In summary, the Lincoln Electric SVM173-A is a powerful and adaptable welding machine that combines innovative technologies, user-friendly features, and robust safety mechanisms. Its high efficiency, precision control, and multi-process capabilities make it an excellent investment for professionals seeking reliable performance in demanding environments. Whether for heavy-duty industrial use or more specialized applications, the SVM173-A stands as a testament to Lincoln Electric's commitment to quality and innovation in welding solutions.