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

 

 

Thermal LED is lit.

1. Fan thermostat has opened.

 

 

 

 

Check for proper fan operation.

 

 

 

 

(Fan should run whenever out-

 

 

 

 

put power is on.) Check for

 

 

 

 

material blocking intake or

 

 

 

 

exhaust louvers, or for excessive

 

 

 

 

dirt clogging cooling channels in

 

 

 

 

machine.

 

 

 

 

 

 

 

2. Secondary rectifier or Choke

 

 

 

 

thermostat has opened. After

 

 

 

 

machine has cooled, reduce

 

 

 

 

load, duty cycle, or both. Check

 

 

 

 

for material blocking intake or

 

 

 

 

exhaust louvers.

 

 

 

 

 

 

 

3. DC Bus PC board thermostat

 

 

 

 

has opened check for excessive

 

 

 

 

load on 40VDC supply.

 

 

 

 

 

 

 

 

 

Machine wont weld, cant get any

1. Input voltage is too low or too

If all recommended possible areas

 

output. (CR1 will not pull in.)

high. Make certain that input

 

 

 

voltage is proper, according to

of misadjustments have been

 

 

 

the Rating Plate located on the

checked and the problem persists,

 

 

 

rear of the machine.

 

 

contact your local Lincoln

 

 

 

2. If the Thermal LED is also lit,

Authorized Field Service Facility.

 

 

 

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

 

 

 

 

series of red and green flashes by

 

 

 

 

the

status

light.

See

 

 

 

 

"Troubleshooting the Power Wave

 

/Power Feed System Using the Status LED" section of this text.

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
Image 36
Lincoln Electric IM716 manual If the Thermal LED is also lit

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.