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F-12

TROUBLESHOOTING AND REPAIR

F-12

Observe all Safety Guidelines detailed throughout this manual.

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

FUNCTION PROBLEMS (Continued)

 

 

 

 

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The knobs do not control the com-

1.

Limits may be set for wire feed

plete range of wire feed speed or

 

speed or voltage. See maxi-

voltage.

 

mum and minimum limit set-

 

 

ting modes.

 

 

2.

DIP switch S1 may be incorrect-

 

 

ly set for the wire drive or gear

 

 

ratio. See Wire Drive Head

 

 

Selection.

 

 

 

3.

Make sure that the DIP switch

 

 

settings

match the

power

 

 

source being used. See

 

 

Welding

Power

Source

 

 

Selection.

 

 

An “Er” message is displayed when 1.

This indicates an EEPROM

the LN-10 is powered up.

 

error has been detected. Check

 

 

all the settings to make sure

 

 

they are within the acceptable

 

 

ranges. If the “Er” message is

 

 

still displayed remove the input

 

 

power. While pressing the Timer

 

 

and Control keys, turn on the

 

 

input power. The message “Ln”

 

 

should be displayed. Leave on

 

 

for 5 seconds. Remove the

 

 

input power. Note: All the set-

 

 

tings will be removed.

 

A “GLP” message is displayed.

1.

The Ground Lead Protector cir-

 

 

cuit has activated due to exces-

 

 

sive current flow in the wire

 

 

feeder frame. This can be

 

 

caused be the electrode coming

 

 

in contact with the wire feeder

 

 

frame or poor connections in the

 

 

work cable circuit. The wire

 

 

feeder will be disabled. Remedy

 

 

the “grounding” problem and

 

 

resume normal operations by

 

 

releasing the gun trigger and

 

 

then closing the gun trigger.

1.Perform the Encoder Board

Test.

2.The control board may be faulty.

1.The control board may be faulty.

1.The GLP reed switch may be faulty. This switch is normally open and should only close when current is flowing through the green lead and wire feeder frame. It may be stuck closed. See the Wiring Diagram.

2.The control board may be faulty.

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CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-800-833-9353.

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LN-10

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Lincoln Electric SVM154-A service manual Mum and minimum limit set
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SVM154-A specifications

The Lincoln Electric SVM154-A is a powerful and versatile inverter-based welding machine designed for a wide range of applications. As a part of Lincoln Electric's esteemed portfolio, this model is particularly favored for its robust performance and cutting-edge technologies, making it ideal for both professional fabricators and hobbyists alike.

One of the standout features of the SVM154-A is its compact and lightweight design, which enhances portability without compromising power. Weighing significantly less than traditional welding machines, it allows welders to easily transport the equipment to various job sites. This feature is particularly beneficial in industries where mobility is essential.

Equipped with advanced inverter technology, the SVM154-A delivers a stable and smooth arc, providing consistent welding performance even in challenging conditions. The inverter design also contributes to energy efficiency, allowing users to save on operational costs while enjoying superior performance. The machine supports both MIG and TIG welding processes, which adds to its versatility. This adaptability makes it suitable for a range of materials including mild steel, stainless steel, and aluminum.

Another notable characteristic is its user-friendly interface. Designed with the welder in mind, the SVM154-A includes intuitive controls that simplify settings adjustments and operational processes. This ergonomic layout allows for ease of use, even for beginners, while still offering the adjustments that experienced welders appreciate for customizing their welds.

The SVM154-A also includes several safety features, such as thermal overload protection and a dynamic power control, ensuring safe operation while maintaining high productivity. Users benefit from features that protect both the machine and the operator, making it a reliable choice for long hours of work.

Moreover, Lincoln Electric's commitment to durability is evident in the SVM154-A's construction. Built with high-quality materials, this welding machine is designed to withstand the rigors of daily use, ensuring longevity and reliability over time.

In summary, the Lincoln Electric SVM154-A stands out for its portability, versatility, and user-centric design. With advanced inverter technology that promotes energy efficiency and a stability for various welding processes, it serves as a valuable tool for both professionals and hobbyists seeking to achieve high-quality welds across different applications. Its combination of advanced features, safety mechanisms, and rugged durability positions the SVM154-A as a top choice in the welding equipment market.
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