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F-6

 

F-6

 

TROUBLESHOOTING & REPAIR

 

 

Observe Safety Guidelines

 

TROUBLESHOOTING GUIDE

 

detailed in the beginning of this manual.

 

 

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

 

(SYMPTOMS)

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

FUNCTION PROBLEMS

 

 

 

The machine regularly overheats

1. The welding application may

1. The 115VAC fan motor is

 

and the yellow thermal light is ON

be exceeding the

controlled by the control board

 

indicating a thermal overload.

recommended duty cycle of the

via the main switch board.

 

 

V350-Pro.

Perform the Fan Motor And

 

 

 

Control Test.

 

 

2. Dirt and dust may have

 

 

 

 

clogged the cooling channels

1. A thermostat or associated

 

 

inside the machine.

circuitry may be faulty. See the

 

 

 

wiring diagram. One normally

 

 

3. Air intake and exhaust louvers

closed thermostat is located on

 

 

may be blocked due to inade-

the output choke and the other

 

 

quate clearance around the

is located on the main switch

 

 

machine.

board heat sink. See the wiring

 

 

 

diagram.

 

 

4. Make certain the fan as needed

 

 

 

 

(F.A.N.) is operating properly.

Note: The Main Switch Board

 

 

The fan should operate when

Removal Procedure will

 

 

welding voltage is present

be required to gain access

 

 

and/or when there is an over

to the heat sink thermostat.

 

 

temperature condition.

 

 

 

 

 

 

 

An attached wire feeder will not

1. Make certain the wire feeder

1. Perform the Auxiliary

 

function correctly.

control cable is connected to

Transformer Test.

 

 

the correct 14-pin amphenol

 

 

 

 

type plug (115VAC or

2. Check the leads between the

 

 

24/42VAC) for the wire feeder

14-pin amphenol type plugs

 

 

being used. See the

and the auxiliary transformer

 

 

connection diagram.

for loose or faulty connections.

 

 

2. Check the two circuit breakers

 

 

 

 

located at the rear of the

 

 

 

 

machine. Reset is tripped.

 

 

 

 

3. The wire feeder or control cable

 

 

 

 

may be faulty.

 

 

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con- tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 1-800-833-9353(WELD).

V350-PRO

Page 44
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Lincoln Electric SVM152-A service manual Perform the Fan Motor, Control Test, Removal Procedure will

SVM152-A specifications

The Lincoln Electric SVM152-A is a cutting-edge semi-automatic wire-feed welding machine designed for professionals seeking high performance and efficiency in their welding tasks. This versatile welding system is known for its robust engineering, advanced technology, and user-friendly features, making it a preferred choice for various applications in metal fabrication, automotive repair, and construction.

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The SVM152-A boasts advanced inverter technology, which enhances its performance by increasing efficiency and reducing power consumption. This technology not only leads to lower operational costs but also provides a stable arc and improved weld quality. The inverter design enables the machine to maintain a consistent output, even in challenging conditions, ensuring a smooth welding experience.

Another key characteristic of the Lincoln Electric SVM152-A is its user-friendly interface. The machine features intuitive controls, making it accessible for both seasoned welders and those new to the craft. The digital display provides clear readings of key parameters, such as voltage and wire feed speed, allowing operators to make quick adjustments for optimal weld quality.

The construction of the SVM152-A is designed for durability and reliability. Made from high-quality materials, it can withstand the rigors of demanding work environments. The machine is also equipped with advanced cooling systems to prevent overheating during prolonged use, ensuring a longer lifespan and consistent performance.

Safety is a top priority in the design of the SVM152-A. The machine comes with built-in safety features, including thermal overload protection and circuit breakers, which help protect the equipment and the operator from potential hazards.

In summary, the Lincoln Electric SVM152-A combines versatility, advanced inverter technology, user-friendly controls, robust construction, and safety features, making it an excellent choice for professionals in various industries. Whether tackling intricate welding projects or high-volume production work, the SVM152-A delivers the performance and reliability that modern welders demand.