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A
WARNING:
ELECTRIC
SHOCK
can
kill;
MOVING
PARTS
can
cause serious
injury.
•
Do
not
touch
live
electrical
parts.
•
Shut
down
wire
feeder
and
welding
power
source
or
stop
engine
before
making
or
changing
meter
lead
connec
-
tions
and
before
disconnecting
or
connecting
any
leads.
•
Have
only
qualified
persons
familiar
with
and
following
standardsafetypractices
perform
troubleshooting
proce-
dures.
•
Follow
standard ESD precautions
to
prevent damaging
static-sensitive
parts
during
testing.
o
to
6.5
volts
dc
input
from
mm.
to
max.
of
WIRE
SPEED
control
with
~un
trigger
/
+19
volts
dc Input
with
gun
trigger
p
reseed
without
option,
+24
volts
dc input
with
gun
trigger
pressed
with
option,
0
volts
dc
input
after spot time
or
trigger
released
6.5
volts
dc
output
Not used
+24
volts
dc
output
.29.1
RI
&
M
mwus
~e~n
+24
volts
dc
input
with
gun
trigger
pressed
TM-i
571
Page
18
Diagram 8-2.
Troubleshooting Circuit
Diagram
For
Motor
Control
Board
PCi
S-2iE