Lincoln Electric SVM156-A Welder User Manual


 
TROUBLESHOOTING & REPAIR
F-34 F-34
POWER WAVE 455/R
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J8
216
211
212
213
P91
CURRENT
TRANSDUCER
1234
CONTROL BOARD
J8
5 6 7 8
1 2 3 4
FIGURE F.11 POWER WAVE CURRENT TRANSDUCER TEST
POWER WAVE CURRENT TRANSDUCER TEST (CONTINUED)
TEST PROCEDURE
1. Remove input power to the Power Wave
455/R.
2. Using the 3/8 nut driver, remove the case
top and the control box cover.
3. Locate the Power Wave current transducer
leads at Control Board plug J8. See Figure
F.11.
4. Carefully apply input power to the Power
Wave 455/R.
ELECTRIC SHOCK can kill.
High voltage is present when
input power is applied to the
machine.
WARNING