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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

 

 

 

 

 

 

 

 

ENGINE PROBLEMS

 

 

 

 

 

The machine goes to low idle but

1. Make sure there is NOT an

1.

The idler solenoid linkage may

does not stay at low idle.

external load (auxiliary or weld)

 

be misadjusted or damaged.

 

connected to the Commander

2.

The idler solenoid hold-in circuit-

 

400.

 

 

ry may be faulty. Check leads

 

 

 

 

 

 

#237 and #226 for loose or faulty

 

 

 

connections.

See the Wiring

 

 

 

Diagram.

 

 

 

 

 

3.

Perform the Idler Solenoid Test.

 

 

4.

Make sure the control board

 

 

 

mounting/grounding screws are

 

 

 

tight.

 

 

 

 

 

5.

Check solenoid

waveforms as

 

 

 

illustrated in

the

Oscilloscope

 

 

 

Waveforms Section.

 

 

6.

The control board may be faulty.

 

 

 

Replace.

 

 

 

 

 

 

 

The engine will not crank or cranks

1. Check for loose, faulty, or cor-

1.

The starter motor, solenoid or

very slowly.

roded battery cable connections.

 

push button may be faulty.

 

2. Check the leads and connec-

 

Check or replace.

 

 

 

 

 

 

 

 

 

tions at the starter solenoid and

2.

The engine may be hard to

 

the start push button.

 

crank due to a mechanical fail-

 

3. The battery may be faulty.

 

ure in the engine.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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- 800-833-9353 (WELD).

Commander 400

Page 63
Image 63
Lincoln Electric SVM133-B service manual Tight Check solenoid Waveforms as Illustrated

SVM133-B specifications

The Lincoln Electric SVM133-B is an innovative welding machine designed to meet the diverse needs of welders and fabrication shops. This versatile equipment combines state-of-the-art technology with user-friendly features, making it ideal for both novice and professional welders.

One of the main features of the SVM133-B is its advanced inverter technology. This allows for a more efficient power delivery, which translates into reduced energy consumption and lower operational costs. The machine is capable of delivering optimal welding performance across a range of materials, from thin sheets to heavier sections, making it suitable for various applications in industries such as automotive, construction, and repair.

The SVM133-B supports multiple welding processes, including MIG, stick, and TIG welding. This flexibility ensures that users can adapt to various job requirements without needing multiple machines. The intuitive control panel allows users to switch between modes effortlessly, providing a seamless welding experience.

Another notable characteristic of the SVM133-B is its compact and lightweight design. Weighing significantly less than traditional welding machines, it is highly portable, making it easy to transport to different job sites. Additionally, its rugged construction ensures durability, allowing it to withstand tough working conditions.

The SVM133-B is equipped with advanced safety features, such as overheat and overload protection, which safeguard both the machine and the user during operation. It also includes a digital display that provides real-time feedback on settings, voltage, and amperage, which enhances precision and control during welding tasks.

Lincoln Electric has prioritized ease of use in the SVM133-B, with quick setup guides and clear instructions. This user-centric approach not only facilitates a smoother learning curve for beginners but also optimizes the workflow for experienced welders, enabling them to maximize productivity.

One of the standout features is the capability to weld aluminum with ease, thanks to its spool gun compatibility. This feature sets the SVM133-B apart from many competitors, providing added value for users who require flexibility in their welding projects.

In summary, the Lincoln Electric SVM133-B stands out in the welding machine market due to its inverter technology, multi-process capabilities, portability, and robust safety measures. It embodies the perfect blend of innovation and practicality, making it a top choice for welders looking to enhance their skills and productivity across a wide array of applications. Whether for professional use or hobbyist projects, the SVM133-B offers a reliable solution for high-quality welding tasks.