Lincoln Electric INVERTEC POWER WAVE 450 SVM112-B - Manual (Page 91)

AUXILIARY TRANSFORMER TEST #2
Service and repair should be performed by only Lincoln Electric factory trained personnel.
Unauthorized repairs performed on this equipment may result in danger to the technician or
machine operator and will invalidate your factory warranty. For your safety and to avoid elec-
trical shock, please observe all safety notes and precautions detailed throughout this manual.
If for any reason you do not understand the test procedures or are unable to perform the
test/repairs safely, contact the Lincoln Electric Service Department for electrical trou-
bleshooting assistance before you proceed. Call 1-800-833-9353 (WELD).
TEST DESCRIPTION
This test will determine if the correct voltage is being applied to the primary of Auxiliary
Transformer #2 and also if the correct voltages are being induced on the secondary wind-
ings of the transformer. Note: Transformer #2 is not present on all models.
MATERIALS NEEDED
Volt/Ohmmeter (Multimeter)
5/16" Nut driver
3/8" Nut driver
Input and Auxiliary Circuit Wiring Diagram – Figure F.8
WARNING
TROUBLESHOOTING & REPAIR
F-31 F-31
POWER WAVE 450
Retur
n to Section TOC
Retur
n to Section TOC
Retur
n to Section TOC
Retur
n to Section TOC
Retur
n to Master TOC
Retur
n to Master TOC
Retur
n to Master TOC
Retur
n to Master TOC
This procedure takes approximately 35 minutes to perform.