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TROUBLESHOOTING & REPAIR
F-38 F-38
POWER WAVE 455/R
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J8
811
813
CURRENT
TRANSDUCER
CONTROL BOARD
816 812
P90
1234
J8
5 6 7 8
1 2 3 4
FIGURE F.13 – STT CURRENT TRANSDUCER TEST
STT 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 STT current transducer leads at
Control Board plug J8. See Figure F.13.
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