E-6

 

 

TROUBLESHOOTING

 

E-6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE

 

RECOMMENDED

 

 

(SYMPTOMS)

 

CAUSE

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine won’t produce full output.

1.

Input voltage may be too low,

 

 

 

 

 

 

 

 

 

 

 

limiting output capability of the

 

 

 

 

 

 

 

 

 

 

 

 

power source. Make certain that

 

 

 

 

 

 

 

 

 

 

 

 

the input voltage is proper,

 

 

 

 

 

 

 

 

 

 

 

 

according to the Rating Plate

 

 

 

 

 

 

 

 

 

 

 

 

located on the rear of the

 

 

 

 

 

 

 

 

 

 

 

 

machine.

 

 

 

 

 

 

 

 

 

 

 

2.

Input may be “single phased”.

 

 

 

 

 

 

 

 

 

 

 

 

Make certain the input voltage is

 

 

 

 

 

 

 

 

 

 

 

 

proper on all three Input lines.

 

 

 

 

 

 

 

 

 

 

 

3.

Secondary current or voltage not

 

 

 

 

 

 

 

 

 

 

 

 

be properly calibrated. Check

 

 

 

 

 

 

 

 

 

 

 

 

values displayed on the Power

 

 

 

 

 

 

 

 

 

 

 

 

Feed 10/11 verses readings on

 

 

 

 

 

 

 

 

 

 

 

 

an external meter.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Auxiliary receptacle is “dead” no

 

 

1.

Circuit breaker CB2 (on case

 

 

 

 

 

 

 

auxiliary voltage .

 

 

 

front) may have opened. Reset.

 

 

 

 

 

 

 

 

 

 

 

2.

Circuit breaker CB4 (in recon-

 

 

 

 

 

 

 

 

 

 

 

 

nect area) may have opened.

 

 

If all recommended possible areas

 

 

 

 

 

 

 

 

 

Reset.

 

 

 

 

 

 

 

 

 

 

 

 

 

of misadjustments have been

 

 

 

 

General degradation of the weld

 

 

1.Check for feeding problems, bad

 

 

 

 

 

 

 

 

 

 

checked and the problem persists,

 

 

 

 

performance

 

 

 

connections, excessive loops in

 

 

 

 

 

 

 

 

 

 

 

contact your local Lincoln

 

 

 

 

 

 

 

 

 

cabling, etc.

 

 

 

 

 

 

 

 

 

 

 

 

 

Authorized Field Service Facility.

 

 

 

 

 

 

 

 

2.

Verify weld mode is correct for

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

processes.

 

 

 

 

 

 

 

 

 

 

 

3.

The power source may require

 

 

 

 

 

 

 

 

 

 

 

 

calibration.

 

 

 

 

 

 

 

 

 

 

 

4.

Check the actual current dis-

 

 

 

 

 

 

 

 

 

 

 

 

played on the Power Feed 10

 

 

 

 

 

 

 

 

 

 

 

 

vs. actual current measured via

 

 

 

 

 

 

 

 

 

 

 

 

external meter.

 

 

 

 

 

 

 

 

 

 

 

5.

Check the actual voltage dis-

 

 

 

 

 

 

 

 

 

 

 

 

played on the Power Feed 10

 

 

 

 

 

 

 

 

 

 

 

 

vs. actual voltage measured via

 

 

 

 

 

 

 

 

 

 

 

 

external meter.

 

 

 

 

 

 

 

 

 

 

 

6.

Check the actual WFS displayed

 

 

 

 

 

 

 

 

 

 

 

 

on the Power Feed 10 vs. actual

 

 

 

 

 

 

 

 

 

 

 

 

WFS measured via external

 

 

 

 

 

 

 

 

 

 

 

 

meter.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Excessively long and erratic arc.

 

 

1.

Check for proper configuration

 

 

 

 

 

 

 

 

 

 

 

 

and implementation of voltage

 

 

 

 

 

 

 

 

 

 

 

 

sensing circuits.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, con- tact your local authorized Lincoln Electric Field Service Facility for technical assistance.

POWER WAVE 455M

Page 33 Page 35
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Image 34
Lincoln Electric IM762-C manual Cabling, etc
Page 33 Page 35

IM762-C specifications

The Lincoln Electric IM762-C is a state-of-the-art industrial welding machine designed to meet the demanding needs of modern welding applications. This versatile machine is recognized for its advanced features, robust performance, and user-friendly interface, making it a popular choice among professionals in various sectors including manufacturing, construction, and fabrication.

One of the standout features of the IM762-C is its high-duty cycle, which allows for prolonged use without significant overheating. This capability is essential for operations that require continuous and consistent welding performance, ensuring productivity and efficiency are maximized in any work environment. Additionally, the machine is equipped with a powerful inverter technology, which not only enhances energy efficiency but also ensures stable arc performance across a wide range of materials.

The IM762-C supports multiple welding processes, including MIG, TIG, and stick welding. This flexibility allows users to switch between welding methods depending on specific project requirements effortlessly. The machine also features advanced controls and digital displays that provide real-time feedback on welding parameters, allowing operators to make immediate adjustments for optimal results.

Another notable characteristic of the IM762-C is its exceptional portability. Weighing significantly less than traditional welding machines, it can be easily transported to job sites, making it ideal for mobile applications. The design also incorporates rugged construction, which ensures durability in challenging environments.

Safety is a paramount consideration in the design of the IM762-C. It is equipped with several safety features including over-temperature protection, overload indicators, and a user-friendly interface that minimizes the risk of operator error. The machine also complies with international safety standards, providing peace of mind to users.

In summary, the Lincoln Electric IM762-C combines versatility, efficiency, and safety in a robust package. Its advanced inverter technology, high-duty cycle, and multifunctional capabilities make it an invaluable tool for any welding professional. Whether working in a workshop or on a job site, the IM762-C stands out as a dependable and efficient solution for a wide range of welding tasks.
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