Lincoln Electric MULTI-SOURCE SVM155-A - Manual (Page 38)

Control
Transformer (T2)
X3 H2
H1
X1
F-10 F-10
TROUBLESHOOTING & REPAIR
MULTI-SOURCE
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TEST PROCEDURE
1. Disconnect main AC input power to the
machine.
2. Remove the Top and Right case side.
3. Locate the Control Transformer (T2) on the
left side of the input box (facing the back of
the machine). See Figure F.1.
4. Locate the Control Transformer primary
leads H1 & H2. See Wiring Diagram. See
Figure F.1.
5. Locate control transformer terminals X1 and
X3. See Figure F.1.
FIGURE F.1. CONTROL TRANSFORMER LOCATION & LEADS
CONTROL TRANSFORMER (T2) VOLTAGE TEST