F-2

F-2

TROUBLESHOOTING

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

 

 

Major physical or electrical dam-

1.

Contact your local authorized

 

 

age is evident when the sheet

Lincoln Electric Field Service

 

 

metal cover(s) are removed.

Facility for technical assistance.

 

 

 

 

 

 

 

 

Machine is dead – no output – no

1.

Make certain that the input

 

 

fans – no displays.

power switch (S1) is in the “ON”

 

 

 

position.

 

 

 

2.

Check for proper input voltage

 

 

 

– must match the rating on the

 

 

 

machine nameplate.

 

 

 

3.

Make certain the reconnect

If all recommended possible areas

 

 

panel is configured properly for

of misadjustments have been

 

 

the applied voltage.

checked and the problem per-

 

 

4.

Check fuse (F1) in the recon-

sists, contact your local Lincoln

 

 

Authorized Field Service Facility.

 

 

nect panel. If faulty, replace with

 

 

 

 

 

5-amp slow-blow fuse.

 

 

 

 

 

 

 

Machine has no output – fans are

1.

Turn power OFF immediately.

 

 

 

 

 

 

 

running – display is on – a “click-

2.

Check for proper input voltage

 

 

ing” sound is heard coming from

(per machine nameplate).

 

 

the machine.

3.

Make certain the reconnect

 

 

 

 

 

 

panel is configured properly for

 

 

 

the applied voltage.

 

 

 

 

 

 

 

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 450

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Lincoln Electric IM542-D manual Troubleshooting Guide, Sists, contact your local Lincoln, Authorized Field Service Facility