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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

 

 

 

 

 

 

 

 

Wire feeds but welding output is

1. Make sure that the proper wire

 

1. Check for loose or faulty con-

 

 

 

 

low causing wire to “stub”. Welds

and procedures are being used.

 

nections of the heavy current

 

 

 

 

are “cold”. Machine cannot obtain

 

 

carrying

leads.

See Wiring

 

 

 

 

full rated output of 300 amps at 32

2. Check gun and work cable for

 

Diagram

 

 

 

 

 

 

volts.

loose or faulty connections.

 

2. Perform

the

Current

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Transducer Test.

 

 

 

 

 

 

 

 

3. Perform

Output

Waveform

 

 

 

 

 

 

 

Test.

 

 

 

 

 

 

 

 

 

4. Perform the Output Rectifier

 

 

 

 

 

 

 

Assembly Tests

 

 

 

 

 

 

 

 

5. The Control Board may be faulty.

 

 

 

 

 

 

 

Replace.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The output voltage and wire feed is

1. Remove the gun. If the problem

 

1. Find J85 on Feed Head Board

 

 

 

 

present continuously or pulsing

is resolved, the gun trigger cir-

 

and unplug. If the problem still

 

 

 

 

when gun trigger is NOT activated.

cuit is faulty. Repair or replace.

 

exist Feed Head Board may be

 

 

 

 

 

 

 

faulty.

 

 

 

 

 

 

 

2. If problem persists when gun

 

 

 

 

 

 

 

 

 

assembly is removed from

 

 

 

 

 

 

 

 

 

machine, then the problem is

 

 

 

 

 

 

 

 

 

within the POWER MIG 300.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The output voltage is present con-

 

 

1. Find J6 on Control PCB and

 

 

 

 

tinuously when gun trigger is NOT

 

 

unplug. If output voltage is not

 

 

 

 

activated. The wire is not feeding.

 

 

present change Control PCB

 

 

 

 

 

 

 

2. Perform the Chopper Board

 

 

 

 

 

 

 

Test.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

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

POWER MIG 300

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Lincoln Electric SVM160-B service manual Troubleshooting Guide

SVM160-B specifications

The Lincoln Electric SVM160-B is a standout model in the realm of portable arc welders, designed specifically for light to medium-duty welding tasks. As part of Lincoln Electric’s renowned line of welding equipment, the SVM160-B combines efficiency with durability, catering to both professional welders and hobbyists alike.

One of the primary features of the SVM160-B is its lightweight and compact design. Weighing in at just around 60 pounds, it offers excellent portability, allowing users to easily transport the unit to various job sites. This mobility is enhanced by an integrated handle and a rugged construction, making it suitable for both indoor and outdoor applications.

The SVM160-B utilizes advanced inverter technology, which significantly enhances its performance capabilities. This technology not only contributes to the welder's energy efficiency but also allows for a more stable arc, reducing spatter and resulting in cleaner welds. The machine can operate on both 120V and 240V power sources, providing flexibility for users to adapt to different settings and requirements.

Among its key characteristics, the SVM160-B features a welding output range that accommodates various welding needs, allowing users to achieve welds from 20 to 160 amps. This versatility makes it ideal for welding different materials, including mild steel, stainless steel, and aluminum. Furthermore, the unit supports a range of welding processes, including MIG, stick, and TIG welding, enhancing its adaptability for various projects.

Another highlight of the SVM160-B is its user-friendly interface. The control panel is designed to facilitate ease of use, with clearly marked dials and indicators that enable quick adjustments of settings. This intuitive design ensures that both novice and experienced users can operate the machine efficiently and effectively.

Safety features are also a crucial aspect of the SVM160-B. It comes equipped with thermal overload protection, which prevents the unit from overheating during extended use. This built-in safeguard extends the welder's lifespan and enhances user safety.

In summary, the Lincoln Electric SVM160-B is a versatile, portable welder that combines advanced technology with user-friendly features, making it an excellent choice for a wide range of welding applications. Its lightweight design, inverter technology, and robust safety features make it a reliable option for both professionals and enthusiasts. Whether tackling small repairs or larger projects, the SVM160-B stands ready to deliver quality results.