Miller ps-100 Manuale d'uso - Pagina 17

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Figure
6-1.
Component
Locations
(A)
Circuit
Board P~3
Terminal
Strip
And
Control R.ctifi.r
Mount maid.
IS.s
Parts
Ust)
Ru.: TA-090 925-A
6-4.
TROUBLESHOOTING CHART
a
WARNING: ELECTRIC SHOCK
can
kill.
DO
not
touch live electrical
parts.
Shut down unit arid disconnect
input
power
employing lockoutiTagging procedures
before
inspecting, maintaining,
or
servicing.
Lockout/tagging
procedures
consist
of
padlocking
line disconnect switch in open
posi
tion,
removing
fuses from fuse
box,
or
shutting
off and
red-tagging
circuit breaker
or
other dis
connecting
device.
MOVING
PARTS
can cause
serious
Injury.
Keep
clear of
moving parts.
HOT
SURFACES
can cause severe
burns.
Allow
cooling pericd
before
servicing.
Troubleshooting
of internal
parts
to be
per
formed
only by qualified
persons.
It is assumed that the unit
was
properly
Installed and
connected
according
to
Section
3 of this
manual,
the op
erator
is familiar with the function of
controls,
the weld
ing
power
source was
working properly,
and
the trouble
is
not
process related.
The
following
chart is
designed
to
diagnose
and
provide
remedies for
some
of the troubles that may
develop
in
this
welding
power
source.
Use this chart
in
conjunction
with the circuit
diagram
while
performing troubleshooting procedures.
If the
trouble is
not remedied after
performing
these
proce
dures,
contact
the
nearest
Factory
Authorized Service
Station.
In all
cases
of
equipment
malfunction,
the
manufacturers recommendations should be
strictly
fol
lowed.
Component
Access
Compartment
Board PCi
Block
Gate Connectors
With Red And Whits
Wy.
Circuit BOard
Pc2
F?544 P2c:e
1~3