E-6

 

 

 

TROUBLESHOOTING

 

E-6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Observe all Safety Guidelines detailed throughout this manual

 

TROUBLESHOOTING GUIDE

 

 

 

 

 

Observe Safety Guidelines

 

 

 

 

 

 

 

detailed in the beginning of this manual.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROBLEMS

 

POSSIBLE AREAS OF

 

RECOMMENDED

 

 

(SYMPTOMS)

 

MISADJUSTMENT(S)

 

COURSE OF ACTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT PROBLEMS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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)

 

 

 

 

 

 

 

 

 

 

 

 

or applications running from the

 

 

 

 

 

 

 

 

 

 

 

 

STT stud will reduce the sec-

 

 

 

 

 

 

 

 

 

 

 

 

ondary current limit from 570

 

 

 

 

 

 

 

 

 

 

 

 

Amps to 325 Amps.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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”.

 

 

 

If all recommended possible areas

 

 

 

 

 

 

 

 

Make certain the input voltage is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of misadjustments have been

 

 

 

 

 

 

 

 

proper on all three Input lines.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

checked and the problem persists,

 

 

 

 

 

 

 

 

3. STT machines only: May be

 

 

 

 

 

 

 

 

 

 

 

 

 

 

contact your local Lincoln

 

 

 

 

 

 

 

 

exceeding the 325 amp limit on

 

 

 

 

 

 

 

 

 

 

 

the STT output terminal.

 

 

 

Authorized Field Service Facility.

 

 

 

 

 

 

 

 

4. 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.

 

 

 

 

 

 

 

 

 

 

 

 

Reset.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 455/STT

Page 36 Page 38
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Lincoln Electric IM716 manual Exceeding the 325 amp limit on STT output terminal
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IM716 specifications

The Lincoln Electric IM716 is a state-of-the-art multi-process welding machine that stands out in the industry for its versatility and advanced technology. Designed for professionals who seek efficiency and precision, the IM716 is capable of handling various welding processes, including MIG, TIG, and Stick welding, making it an excellent option for a wide range of applications, from automotive repairs to heavy industrial work.

One of the key features of the IM716 is its intuitive interface, which includes a digital display that simplifies the settings adjustments. Users can easily select the desired welding mode, adjust the voltage and wire feed speed, and monitor their performance all from a user-friendly control panel. This ease of use significantly reduces setup time, allowing welders to focus more on the task at hand than on navigating complicated controls.

The IM716 employs Lincoln Electric's advanced inverter technology, which provides greater energy efficiency compared to traditional transformer-based machines. This innovative technology not only reduces power consumption but also contributes to a more consistent arc quality. The inverter design also makes the machine lighter and more portable, accommodating the needs of welders who move between job sites.

Another notable characteristic of the IM716 is its robust construction. Designed for durability, the machine can withstand the rigors of a demanding work environment. It features a rugged steel housing that protects internal components from damage while enhancing its longevity. Additionally, the IM716 operates reliably in various conditions, including extreme temperatures, making it a dependable choice for outdoor welding projects.

The IM716 is equipped with advanced safety features, including a thermal overload protection system that prevents overheating during intense welding tasks. This feature extends the lifespan of the machine and ensures safe operation for users. Furthermore, the IM716 includes features like a built-in gas solenoid valve for TIG welding, providing added convenience by enabling automatic gas flow control.

In conclusion, the Lincoln Electric IM716 is a powerful, versatile, and well-engineered welding machine that meets the needs of professional welders. With its multi-process capabilities, user-friendly interface, advanced inverter technology, and durable construction, it exemplifies innovation in the welding industry. Whether for fabricating, repairing, or maintenance tasks, the IM716 stands out as a reliable and efficient choice for any welding operation.
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