Symptoms, Troubleshooting and repair, Caution – Lincoln Electric CLASSIC SVM194-A Manuel d'utilisation

Page 126

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OUTPUT PROBLEMS

Observe Safety Guidelines detailed in the beginning of this manual.

PROBLEMS

(SYMPTOMS)

POSSIBLE AREAS OF

MISADJUSTMENT(S)

RECOMMENDED

COURSE OF ACTION

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 1-888-935-3877.

CAUTION

Both the weld and auxiliary

output voltages are low.

Make sure the engine is

operating at high idle speed.
Make sure that no load is

connected to either the weld or

auxiliary outputs.

Perform the Engine RPM

Adjustment Test.
Perform the Brush and Slip

Ring Service Procedure.
Perform the Flash Voltage

test.
Perform Exciter Rotor

Resistance and Ground Test.

There is no, or very low weld

output, and no auxiliary output.

Check that the remote/local

switch (if so equipped) is in

the local control position.
Check that the auxiliary power

circuit breakers and Ground

Fault Circuit Interrupters

(GFCIs) (if so equipped) are

not tripped.

NOTE: GFCIs will not reliably

reset, unless engine is

operating at high idle

RPM.

Check all leads and cables for

damaged or poor connections.

Perform the Brush and Slip

Ring Service Procedure.
Perform the Flash Voltage

test.
Perform the Exciter Rotor

Resistance and Ground Test.

TROUBLESHOOTING AND REPAIR

F-4

F-4

CLASSIC® 300D & 300G

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