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F-6

 

 

F-6

 

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

 

 

 

No output from the machine in

1. The welding application may

1. One of the thermostats may be

 

either Stick or TIG modes. The

 

have exceeded the recom-

faulty. Check or replace. See

 

thermal light is on.

 

mended duty cycle. Allow the

the Wiring Diagram.

 

 

 

fan to cool the unit until the ther-

2. Check for loose or faulty wires

 

 

 

mal light is off.

 

 

 

on the thermostats and associ-

 

 

 

 

 

 

2. The air louvers may be blocked.

ated circuitry. See the Wiring

 

 

 

Remove the air obstruction and

Diagram.

 

 

 

allow the unit to cool.

3. The fan motor may be faulty or

 

 

 

 

 

 

 

 

mechanically obstructed. The

 

 

 

 

fan should run when welding or

 

 

 

 

when a thermostat is open.

 

 

 

 

4. The control board may be faulty.

 

 

 

 

 

 

The machine does not respond (no

1.

Make certain the machine is in

1. Check the continuity (zero

 

gas flow, no high frequency and no

 

the TIG mode.

ohms) of the leads between the

 

open circuit voltage) when the arc

2.

The Amptrol or arc start switch

remote receptacle and plug J7

 

start switch or Amptrol is activated.

on the control board. See the

 

 

may be defective. Check for

 

The thermal light is not lit.

 

Wiring Diagram.

 

 

continuity (zero ohms) between

 

 

 

 

 

 

 

 

pins “D” and “E” on the cable2. Perform the T1 Transformer

 

 

 

connector when the Amptrol or

Test.

 

 

 

arc start switch is pressed.

3. 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 216-383-2531 or 1-800-833-9353.

SQUARE WAVE TIG 275

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Lincoln Electric SVM141-A service manual Troubleshooting & Repair
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SVM141-A specifications

The Lincoln Electric SVM141-A is a cutting-edge solution designed for operators requiring precision, efficiency, and versatility in their welding applications. This machine is known for its compact form but robust feature set, making it an ideal choice for both professional welders and industrial applications.

One of the standout features of the SVM141-A is its advanced inverter technology. This innovation allows for a stable arc, providing consistent results even under varying conditions. The machine minimizes power consumption, making it energy-efficient without compromising performance. The inverter technology also supports a wider input voltage range, making the SVM141-A suitable for use in diverse environments and job sites.

Another key characteristic is its multi-process capability. The SVM141-A supports MIG, stick, and TIG welding processes, providing flexibility for various welding tasks. This versatility enables operators to tackle different materials, including mild steel, stainless steel, and aluminum, making it a valuable tool for numerous projects.

The user-friendly interface of the SVM141-A includes an intuitive digital display, which allows welders to adjust settings with ease. This feature is crucial for ensuring the right configurations for specific welding tasks, reducing the chances of errors and enhancing the overall finish of welds.

Safety is also a priority with the Lincoln Electric SVM141-A. It comes with built-in safety features such as overheat protection and automatic shutdown, ensuring operator safety and equipment longevity. The machine's lightweight design enhances portability, allowing it to be used in various workspaces with ease.

Durability is another hallmark of the SVM141-A. Constructed with high-quality materials, the machine is designed to withstand the rigors of demanding work environments. This ensures reliability over time, providing consistent performance even under heavy use.

In summary, the Lincoln Electric SVM141-A is a versatile, efficient, and user-friendly welding machine that appeals to a wide range of users. Its advanced inverter technology, multi-process capabilities, safety features, and durable construction make it a strong contender in the welding market, suitable for both professionals and hobbyists alike. Whether it’s for light fabrication, repairs, or industrial welding tasks, the SVM141-A meets diverse needs with precision and reliability.
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