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F-5

F-5

 

TROUBLESHOOTING & REPAIR

 

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

 

 

 

 

 

 

 

 

No weld output, the auxiliary

1. With the WELDING TERMINAL

1.

Make sure the output contactor

power (230-115VAC) is operating

switch in the “ALWAYS ON”

 

is being activated. Also make

normally. Engine operates normal-

position, check the open circuit

 

sure there is continuity (zero

ly.

voltage (OCV) at the welder out-

 

ohms) through

the

contactor

 

put terminals.

Normal

maxi-

 

contacts.

 

 

 

 

 

 

mum is 73 to 80VAC. Normal

2.

Disconnect

lead

W1

from the

 

DC maximum is 65 to 75VDC.

 

 

output

bridge

(D1) and

check

 

If the OCV is OK, then proceed

 

 

 

for the presence of 80VAC from

 

to Step #2. If the OCV is NOT

 

 

 

lead W1 to lead W2 on the main

 

present

at

the

welder output

 

 

 

stator. See Wiring Diagram. If

 

terminals,

contact your

local

 

 

 

the AC voltage is NOT present,

 

Lincoln

 

Authorized

Field

 

 

 

 

the winding in the stator may be

 

Service Facility.

 

 

 

 

 

 

 

faulty. Check the winding for

 

 

 

 

 

 

 

 

2. Check the welding cables,

 

continuity, and test to be sure it

 

clamps,

and electrode

holder

 

is NOT grounded to the stator

 

for loose or broken connec-

 

iron. Replace if necessary. If

 

tions.

 

 

 

 

 

the correct AC voltage is pre-

 

 

 

 

 

 

 

sent, proceed to step #3.

 

 

 

 

 

 

3.

Check

the

reactor,

Range

 

 

 

 

 

 

 

Switch

(S2),

and associated

 

 

 

 

 

 

 

wiring for loose or faulty con-

 

 

 

 

 

 

 

nections.

Check the

reactor

 

 

 

 

 

 

 

winding for continuity and test

 

 

 

 

 

 

 

to be sure it is NOT grounded to

 

 

 

 

 

 

 

the reactor iron.

 

 

 

 

 

 

 

 

 

4. Check the choke (L1), Polarity

 

 

 

 

 

 

 

Switch

(S1),

and associated

 

 

 

 

 

 

 

wires for loose or faulty connec-

 

 

 

 

 

 

 

tions. Check the choke winding

 

 

 

 

 

 

 

for continuity and test to be

 

 

 

 

 

 

 

sure it is NOT grounded to the

 

 

 

 

 

 

 

choke iron.

 

 

 

 

 

 

 

 

 

 

 

5. Check the weld output termi-

 

 

 

 

 

 

 

nals and associated wires for

 

 

 

 

 

 

 

loose or faulty connections.

 

 

 

 

 

 

6. Perform the Output Rectifier

 

 

 

 

 

 

 

Bridge Test.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 216-383-2531 or 1-800-833-9353.

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Lincoln Electric SVM 110-A service manual Perform the Output Rectifier

SVM 110-A specifications

The Lincoln Electric SVM 110-A is a state-of-the-art welding machine designed to cater to the needs of professionals and hobbyists alike. Known for its adaptability and superior performance, the SVM 110-A provides a seamless welding experience that is gaining popularity across various industries.

One of the main features of the Lincoln Electric SVM 110-A is its impressive power output. Capable of delivering up to 110 amps of welding current, this machine is ideal for a wide range of applications, including light to medium fabrication work, maintenance, and repair tasks. The versatile voltage input options allow users to operate the machine on standard household current as well as generator power, enhancing its portability and usability in diverse settings.

The SVM 110-A employs advanced inverter technology, which allows for a more compact design without sacrificing performance. This technology not only improves efficiency but also provides greater control over the welding arc, ensuring cleaner beads and reduced spatter. Additionally, the inverter design contributes to a lighter weight, making the SVM 110-A easy to transport and maneuver.

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In conclusion, the Lincoln Electric SVM 110-A is a remarkable welding machine that combines power, portability, and ease of use. Its advanced inverter technology, user-friendly controls, and versatility make it an ideal choice for both amateurs and seasoned welders. Whether for home projects or professional trades, the SVM 110-A stands out as a reliable and efficient solution in today’s welding landscape.