Lincoln Electric SVM156-A service manual Figure F.13 STT Current Transducer Test Control Board

Models: SVM156-A

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F-38

F-38

 

 

TROUBLESHOOTING & REPAIR

STT CURRENT TRANSDUCER TEST (CONTINUED)

FIGURE F.13 – STT CURRENT TRANSDUCER TEST

CONTROL BOARD

J8

813

1 2 3 4

5 6 7 8

811 816 812

J8

1 2 3 4

P90

CURRENT

TRANSDUCER

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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.

WARNING

ELECTRIC SHOCK can kill.

High voltage is present when input power is applied to the machine.

POWER WAVE 455/R

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Image 84
Lincoln Electric SVM156-A service manual Figure F.13 STT Current Transducer Test Control Board