E-4

 

 

 

 

TROUBLESHOOTING

 

 

 

E-4

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermal LED is lit.

 

 

1. Fan thermostat has opened.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check for proper fan opera-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tion. (Fan should run whenev-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

er main power is on.) Check

 

 

 

 

 

 

 

 

 

 

 

 

 

 

for material blocking intake or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

exhaust louvers, or for exces-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

sive dirt clogging cooling

 

 

 

 

 

 

 

 

 

 

 

 

 

 

channels in machine.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2. Secondary rectifier thermostat

 

 

 

 

 

 

 

 

 

 

 

 

 

 

has opened. After machine

 

 

 

 

 

 

 

 

 

 

 

 

 

 

has cooled, reduce load, duty

 

 

 

 

 

 

 

 

 

 

 

 

 

 

cycle, or both. Check for

 

 

 

 

 

 

 

 

 

 

 

 

 

 

material blocking intake or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

exhaust louvers.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

If all recommended possible areas

 

 

 

 

 

 

 

 

the rear of the machine.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of misadjustments have been

 

 

 

 

 

 

 

 

2. If the Thermal LED is also lit,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

checked and the problem persists,

 

 

 

 

 

 

 

 

see “Yellow Thermal LED is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

contact your local Lincoln

 

 

 

 

 

 

 

 

Lit” section.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Authorized Field Service Facility.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 30 Page 32
Page 31
Image 31
Lincoln Electric IM690-A manual Lit section
Page 30 Page 32

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