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F-4

 

 

 

 

 

 

 

 

F-4

 

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

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

 

 

 

 

 

Major physical or electrical damage

1. Contact

your local

Lincoln

 

1.

Contact

the

Lincoln

Electric

 

is evident.

Authorized Field Service Facility.

 

 

Service Department. 1-800-833-

 

 

 

 

 

 

 

9353 (WELD).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Check for loose or faulty con-

 

No welding output in either CV or

1. Place the Welding Terminals

 

 

nections on the heavy current

 

Stick modes. Auxiliary power is nor-

switch in the “ALWAYS ON”posi

-

 

carrying leads between the out-

 

mal and engine operates normally.

tion. If the problem is solved, the

 

 

put bridge and the output termi-

 

 

fault may be in the external con-

 

 

nals. Also

check for

broken

 

 

trol cable (if used), Leads #2 and

 

 

leads at the weld choke. See

 

 

#4. See the Wiring Diagram.

 

 

the Wiring Diagram.

 

 

 

2. Check the welding cables,

 

2.

Check

the

welding terminal

 

 

clamps, and electrode holder for

 

 

switch (S6) and leads 2 &4 back

 

 

loose or faulty connections.

 

 

to J8 pins 2 & 3 of the control

 

 

3. With the engine at high idle

 

 

board.

 

 

 

 

 

 

3.

Check for poor connections at

 

 

(1900 RPM), and the machine in

 

 

 

the general fab tap, Check for

 

 

J6 pins 1,2 & 3 molex plug at the

 

 

the presence of 70VDC at the

 

 

control PC board. Also check

 

 

output

terminals

of the

 

 

leads G1,G2 & G3 to each SCR.

 

 

Commander 400.

 

 

 

These are SCR gate drive out-

 

 

 

 

 

 

 

puts.

 

 

 

 

 

 

 

 

 

4.

Check leads W1 thru W6 for

 

 

 

 

 

 

 

loose or faulty connections. See

 

 

 

 

 

 

 

the wiring diagram.

 

 

 

 

 

 

 

5.

Perform the Stator Voltage Test.

 

 

 

 

 

 

6.

Perform

the SCR/Diode

Bridge

 

 

 

 

 

 

 

Test.

 

 

 

 

 

 

 

 

 

7.

Perform

the

Control

Board

 

 

 

 

 

 

 

Power Supply Test.

 

 

 

 

 

 

 

 

 

 

 

 

 

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 57 Page 59
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Image 58
Lincoln Electric SVM133-B Troubleshooting Guide, Observe Safety Guidelines, Detailed in the beginning of this manual
Page 57 Page 59

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.
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