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TROUBLESHOOTING & REPAIR
F-30 F-30
V350-PRO
OUTPUT DIODE MODULES TEST (continued)
TEST PROCEDURE
1. Remove input power to the V350-PRO.
2. Locate the output terminals on the front
panel of the machine. See Figure F.5.
3. Remove any output cables and load from the
output terminals.
4. Using the analog ohmmeter test for more
than 200 ohms resistance between positive
and negative output terminals. Positive test
lead to the positive terminal; Negative test
lead to the negative terminal. See Figure
F.6.
NOTE: The polarity of the test leads is most
important. If the test leads polarity is not cor-
rect, the test will have erroneous results.
FIGURE F.5 Machine Output Terminals
REMOTE
REMOTE
ON
ON
REMOTE
REMOTE
LOCAL
LOCAL
WELD TERMINALS
OUTPUT
CONTROL
SELECT SELECT
MPS
A
OLTS
V
MEMOR
MEMOR
Y BUTT
BUTT
ON
ON
SELECT
SELECT
ATTRIBUTE
TTRIBUTE
ADJUST
ADJUST
ATTRIBUTE
TTRIBUTE
SELECT
SELECT
KNOB
KNOB
_
+
NEGATIVE
OUTPUT
TERMINAL
POSITIVE
OUTPUT
TERMINAL