Lincoln Electric IM788 Troubleshooting Guide, Problems Possible Areas Symptoms Misadjustments

Models: IM788

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TROUBLESHOOTING

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TROUBLESHOOTING GUIDE

Observe Safety Guidelines detailed in the beginning of this manual.

PROBLEMS

POSSIBLE AREAS OF

(SYMPTOMS)

MISADJUSTMENT(S)

 

 

OUTPUT PROBLEMS

Major physical or electrical damage

Contact your LOCAL LINCOLN

is evident.

AUTHORIZED FIELD SERVICE

 

FACILITY.

 

 

 

 

No wire feed, weld output or gas

1.

Make sure correct voltage is

flow when gun trigger is pulled. Fan

 

applied to the machine (115

does NOT operate.

 

vac).

 

2.

Make certain that power switch

 

 

is in the ON position.

 

3.

Make sure Circuit Breaker is

 

 

Reset.

 

 

 

No weld output or wire feed when

Contact your LOCAL LINCOLN

gun trigger is pulled. Fan runs and

AUTHORIZED FIELD SERVICE

gas flows normally.

FACILITY.

 

 

 

 

No weld output when gun trigger is

1.

Arc voltage may be set too low.

pulled. Fan runs, gas flows and

 

 

 

wire feeds normally.

2.

Gun tip may be worn – Replace.

 

3.

Check for correct input voltage

 

 

to machine.

 

4.

Gun or work cable may be

 

 

faulty.

 

 

 

 

No Wire feed, weld output or gas

1.

Check the circuit breaker locat-

flow when the gun trigger is pulled -

 

ed in the machine’s wire drive

Fan operates normally.

 

compartment. Reset if tripped.

 

2.

The thermostat may be tripped

 

 

due to overheating. Let machine

 

 

cool. Weld within the duty cycle

 

 

or remove any air obstruction to

 

 

machine.

 

3.

Wire feed motor may be over-

 

 

loaded. Correct feeding prob-

 

 

lem.

RECOMMENDED COURSE OF ACTION

Contact your local Lincoln Authorized Field Service Facility.

4. Gun trigger may be faulty.

CAUTION

If for any reason you do not understand the test procedures or are unable to Perform the tests/repairs safely, contact your

LOCAL AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.

SP-135 PLUS

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Lincoln Electric IM788 manual Troubleshooting Guide, Problems Possible Areas Symptoms Misadjustments

IM788 specifications

The Lincoln Electric IM788 is a cutting-edge industrial welding inverter known for its advanced features and technologies that enhance productivity and efficiency in various welding applications. This machine is specifically designed to cater to the demands of high-performance environments while maintaining reliability and ease of use.

One of the standout features of the IM788 is its multi-process capability. It offers MIG, TIG, and stick welding options, making it a versatile choice for welders who work with a diverse range of materials and thicknesses. This flexibility enables operators to switch processes seamlessly without compromising on performance, thereby increasing overall productivity.

The IM788 is equipped with Lincoln Electric's exclusive Synchronized Arc Control Technology, which optimizes the arc characteristic for different materials and welding conditions. This technology helps to achieve cleaner and more precise welds, minimizing the need for post-weld finishing. Additionally, the machine offers a broad range of voltage and amperage settings, allowing for fine-tuning based on specific project requirements.

Another significant attribute of the IM788 is its built-in intelligence. The machine incorporates advanced microprocessor control, which enhances user interface capabilities and allows for easy adjustments to welding parameters. The intuitive digital display provides real-time feedback on settings and performance, enabling operators to make informed decisions and adjustments as needed.

Durability is also a key characteristic of the Lincoln Electric IM788. Its hardened metal case ensures protection against harsh working conditions, while internal components are designed to withstand heavy usage. This robust construction not only extends the machine's lifespan but also maintains consistent performance even in demanding environments.

The IM788's compact design and lightweight construction make it portable and easy to transport, allowing welders to move it effortlessly between job sites. Coupled with its energy-efficient operation, this inverter contributes to lower operational costs, making it an economical investment for both small workshops and large industrial operations.

In summary, the Lincoln Electric IM788 stands out for its multi-process capabilities, advanced welding technologies, user-friendly interface, and robust design. These features make it an ideal choice for professionals seeking a reliable and efficient welding solution. Whether for fabrication shops, construction sites, or maintenance applications, the IM788 delivers exceptional performance and versatility, solidifying its position as a leading welding inverter in the market.