Lincoln Electric INVERTEC SVM199-A - Manual (Page 70)

INPUT BOARD TEST PROCEDURE (continued)
TROUBLESHOOTING AND REPAIR F-30 F-30
INVERTEC® V450-PRO
INPUT CONTACTOR 601 X4 J60 J61 6 7 8 9 10 J61 1 2 3 4 5 6 7 8 1 2 3 4 5 J60
INPUT
CONTACTOR
601
X4
J60 J61
6 7 8 9 10
J61
1 2 3 4
5 6 7 8
1 2 3 4 5
J60
FIGURE F.6 – INPUT CONTACTOR CR1
PROCEDURE
1. Remove input power to the INVERTEC®
450-PRO.
2. Using the 3/8” nut driver, remove the case top.
3. Remove lead X4 from the coil terminal of main
input contactor CR1. Insulate lead X4. See
Figure F.6.
4. Carefully apply input power to the INVERTEC®
450-PRO.
ELECTRIC SHOCK can kill.
High voltage is present when input
power is applied to the machine.
5. Turn on the INVERTEC® 450-PRO. Carefully
test for the correct voltages according to Table
F.2.
WARNING
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