E-5

 

 

 

 

TROUBLESHOOTING

 

 

 

E-5

 

 

 

 

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

 

 

 

 

 

 

 

put is limited to approximately 100

 

 

been exceeded,

and

the

 

 

 

 

 

 

 

 

amps) when running a particular

 

 

machine has phased back to

 

 

 

 

 

 

 

 

procedure

 

 

protect itself. Adjust proce-

 

 

 

 

 

 

 

 

 

 

 

 

 

dure or reduce load to lower

 

 

 

 

 

 

 

 

 

 

 

 

 

current draw

from

the

 

 

 

 

 

 

 

 

 

 

 

 

 

machine.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 prop-

 

 

 

 

 

 

 

 

 

 

 

 

 

er, 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.

 

 

 

 

 

 

 

 

 

 

 

For no apparent reason, the weld-

 

 

1. Check for proper Wire Feed

 

 

If all recommended possible areas

 

 

 

 

 

 

 

of misadjustments have been

 

 

 

ing characteristics have changed.

 

 

Speed setting.

In CV MIG

 

 

 

 

 

 

 

 

 

checked and the problem persists,

 

 

 

 

 

 

 

 

and FCAW modes, check for

 

 

 

 

 

 

 

 

 

 

 

 

contact your local Lincoln

 

 

 

 

 

 

 

 

proper Voltage setting. In the

 

 

 

 

 

 

 

 

 

 

 

 

Authorized Field Service Facility.

 

 

 

 

 

 

 

 

MIG/MAG pulse

modes,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

check the Trim setting. These

 

 

 

 

 

 

 

 

 

 

 

 

 

controls are on the wire feed-

 

 

 

 

 

 

 

 

 

 

 

 

 

er.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Check for proper shielding

 

 

 

 

 

 

 

 

 

 

 

 

 

gas mix and flow.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3. Check for loose or faulty weld

 

 

 

 

 

 

 

 

 

 

 

 

 

cables and cable connections.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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/R

Page 31 Page 33
Page 32
Image 32
Lincoln Electric IM690-A manual Output Problems
Page 31 Page 33

IM690-A specifications

The Lincoln Electric IM690-A is a sophisticated and versatile multi-process welding machine designed to cater to a wide range of professional welding applications. Combining innovative technology with robust functionality, the IM690-A stands out as a reliable choice for welders across various industries.

One of the primary features of the IM690-A is its multi-process capability, allowing users to perform MIG, TIG, and stick welding with ease. This versatility is essential for welders who need to switch between different welding techniques depending on the project requirements. The machine's advanced control system ensures a smooth transition between processes, optimizing the welder's performance and efficiency.

The IM690-A is powered by a high-performance inverter technology that significantly improves energy efficiency while providing a stable arc. In addition to power efficiency, this technology enables the machine to have a compact design, making it portable and easier to maneuver in tight spaces. The inverter technology also contributes to a reliable and consistent welding output, which is crucial for high-quality welds.

Another notable characteristic of the IM690-A is its user-friendly interface. The machine features a large digital display and intuitive controls, allowing welders to easily adjust settings and monitor performance parameters. This ease of use is particularly beneficial for beginners and experienced welders alike, facilitating quick adjustments during operation.

The IM690-A also incorporates advanced safety features, ensuring the well-being of the operator. Overload protection and automatic thermal shutdown provide peace of mind, allowing users to focus on their work without the constant worry of equipment failure. The rugged construction of the machine adds an extra layer of durability, making it suitable for demanding environments and extensive usage.

Additionally, the IM690-A supports a wide variety of materials and thicknesses, making it ideal for diverse applications, from automotive repair to heavy fabrication. With features like adjustable inductance settings and pre/post gas flow control, users can fine-tune their welding processes for optimal results.

In conclusion, the Lincoln Electric IM690-A is a powerful multi-process welder that combines advanced inverter technology with user-friendly design and safety features. Its versatility, efficiency, and adaptability make it an outstanding choice for professionals seeking a reliable welding solution. Whether you’re working in a shop or on-site, the IM690-A delivers exceptional performance and quality in a compact, durable package.
Top Page Image Contents