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a
CAUTION:
ELECTROSTATIC DISCHARGE
(ESD)
can
damage
circuit boards.
Put
on
properly
grounded
wrist
strap
BEFORE
handling
circuit boards.
Transport
circuit boards
in proper static-
shielding
carriers
or
packages.
Perform work
only
at
a
static-safe work
area.
INCORRECT INSTALLATION
or
misaligned
plugs
can
damage
circuit board.
Be
sure
that
plugs
are
properly
installed and
aligned.
EXCESSIVE PRESSURE
can
break circuit
board.
Use
only
minimal pressure and
gentle
move
ment
when
disconnecting
or
connecting
board
plugs
and
removing
or
installing
board.
6-6.
TROUBLESHOOTING
a
WARNING: ELECTRIC SHOCK
can
kill.
Do
not
touch live electrical
parts.
Shut down
unit,
welding
power
source,
and
robot,
and disconnect
input
power
employing
lockout/tagging
procedures
before
inspecting
or
servicing.
Lockout/tagging
procedures
Consist
of
pad
locking
line disconnect switch
in
open
position,
removing
fuses
from fuse
box,
or
shutting
off and
red-tagging
circuit breaker
or
other disconnect
ing
device.
MOVING PARTS
can cause
serious
Injury.
Keep
away from
moving
parts.
HOT SURFACES
can cause severe
burns.
Allow
cooling period
before
servicing..
Troubleshooting
to
be
performed
only by
qualified
persons.
Itis assumed that the unit
was
properly
installed accord
ing
to
Section 3
of
this
manual,
the
operator
is familiar
with the function
of
controls,
the robot
interface
was
working properly,
and that the trouble is
not
related
to
the
welding
process.
The
following
table is
designed
to
diagnose
and
provide
remedies for
some
of the troubles that may
develop
in
this robot interface. Use this table in
conjunction
with the
circuit
diagram
while
performing troubleshooting
proce
dures. If the trouble is
not
remedied after
performing
these
procedures,
contact
the
nearest
Factory
Author
ized Service Station. In all
cases
of
equipment
malfunc
tion,
strictly
follow the manufacturers
procedures
and
instructions.
OM-135 582
Page
11
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