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F-15

TROUBLESHOOTING & REPAIR

F-15

 

 

CONTROL TRANSFORMER (T2) VOLTAGE TEST

FIGURE F.2 - Control Transformer X1 and X2 Test Points

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5.Locate Control Transformer leads X1 and X2 at in line connectors. See Figure F.2.

6.Apply power and test for 115 VAC between leads X1 to X2.

7.If 115 VAC is not present between leads X1 and X2, test for correct main AC input power to the Control Transformer primary windings (H1, H2, H3, etc.) See wiring diagram.

If the correct main AC input power to the Control Transformer is present, and the secondary voltage is not correct, the Control Transformer may be faulty. Replace.

IDEALARC DC-1000

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Lincoln Electric SVM123-A service manual Figure F.2 Control Transformer X1 and X2 Test Points