E-5

 

 

TROUBLESHOOTING

 

E-5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE

 

 

 

 

 

RECOMMENDED

 

(SYMPTOMS)

 

CAUSE

 

 

 

 

 

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine won’t weld, can’t get any

 

 

1. Input voltage is too low or too

 

 

 

 

 

 

 

output. (CR1 will not pull in.)

 

 

high. Make certain that input

 

 

 

 

 

 

 

 

 

 

 

voltage is proper, according to

 

 

 

 

 

 

 

 

 

 

 

the Rating Plate located on the

 

 

 

 

 

 

 

 

 

 

 

rear of the machine.

 

 

 

 

 

 

 

 

 

 

 

 

2. If the Thermal LED is also lit,

 

 

 

 

 

 

 

 

 

 

 

see “Yellow Thermal LED is Lit”

 

 

 

 

 

 

 

 

 

 

 

section.

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Primary current limit has been

 

 

 

 

 

 

 

 

 

 

 

exceeded. Possible short in out-

 

 

 

 

 

 

 

 

 

 

 

put circuit. Turn machine off.

 

 

 

 

 

 

 

 

 

 

 

Remove all loads from the out-

 

 

 

 

 

 

 

 

 

 

 

put of the machine. Turn back

 

 

 

 

 

 

 

 

 

 

 

on. If condition persists, turn

 

 

 

 

 

 

 

 

 

 

 

power off, and contact an autho-

 

 

 

 

 

 

 

 

 

 

 

rized

Lincoln

Electric

Field

 

 

 

 

 

 

 

 

 

 

 

Service facility.

 

 

 

 

 

 

 

 

 

 

 

 

 

4. This problem will normally be

 

 

 

 

 

 

 

 

 

 

 

accompanied by an error code.

 

 

 

 

 

 

 

 

 

 

 

Error codes are displayed as a

 

 

 

If all recommended possible areas

 

 

 

 

 

 

 

series of red and green flashes by

 

 

 

 

 

 

 

 

 

 

 

 

 

of misadjustments have been

 

 

 

 

 

 

 

the

status

light .

See

 

 

 

 

 

 

 

 

 

 

 

 

 

checked and the problem persists,

 

 

 

 

 

 

 

"Troubleshooting the Power Wave

 

 

 

 

 

 

 

 

 

 

 

 

 

contact your local Lincoln

 

 

 

 

 

 

 

/ Power Feed System Using the

 

 

 

 

 

 

 

 

 

 

 

 

 

Authorized Field Service Facility.

 

 

 

 

 

 

 

Status LED" section of this text.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Machine often “noodle welds” (out-

 

 

1.Secondary current limit has been

 

 

 

 

 

 

 

put is limited to approximately 100

 

 

exceeded, and the machine has

 

 

 

 

 

 

 

amps) when running a particular

 

 

phased back to protect itself.

 

 

 

 

 

 

 

procedure, especially a procedure

 

 

2. Adjust procedure or reduce load

 

 

 

 

 

 

 

with high WFS.

 

 

to lower current draw from the

 

 

 

 

 

 

 

 

 

 

 

machine.

 

 

 

 

 

 

 

 

 

 

 

 

 

3. A single phase input (loss of L2)

 

 

 

 

 

 

 

 

 

 

 

will reduce the secondary cur-

 

 

 

 

 

 

 

 

 

 

 

rent limit from 570 Amps to 325

 

 

 

 

 

 

 

 

 

 

 

Amps.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

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Lincoln Electric IM762-C manual Authorized Field Service Facility
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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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