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Eventide ARGUS 3000 - General; If any Tests Fail

Eventide ARGUS 3000
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Section
4
TROUBLESHOOTING
4.1
General
The
Argus
performs
a
series
of
self-diagnostic
tests
each time
the
unit
is
powered
on.
The
sequence
is
as
follows:
1)
The
RAM
is
tested.
2)
The
vector
table
and
RAM
areas
are
initialized.
3)
A
message
is
displayed
on
the
screen.
4)
The
operation
of
the
DUART
and
its
crystal
is
checked.
5)
The
interrupt
operation
is
tested.
6)
The
system
ROMs
are
CRC'ed.
.7)
The
real-time-clock
is
tested
(5000
and
7000
only)
8)
The
A/D
converter
is
checked
(5000
and
7000
only)
9)
The
data
base
ROMs
are
CRC'ed
10)
The
non-volatile
RAM
is
checked.
During
the
self-test
routine,
the
unit
displays
a
"first"
disclaimer.
To
view
the
progress
of
the
self-tests,
press
any
button
while
this
disclaimer
is
displayed.
When
the
unit
has
finished
its
self-test
routine,
the
screen
displays
a
listing
of
the
tests
that
have
passed.
If
all
tests
have
passed,
the
Argus
initializes
the
main
program.
4.2
If
Any
Tests
Fail
If
any
of
the
tests
fail,
the
units
stops,
or
"hangs
up,"
leaving
an
error
message
displayed
on
the
screen.
If
the
RAM
test
fails,
the
failed
address,
expected
data,
and found
data
are
displayed.
If
one
of
the
ROM
areas
fails
to
CRC,
the
"correct"
CRC
and
the
calculated
CRC
are
displayed.
If
the
non-volatile
RAM
fails
to
checksum,
the
unit
will
not
hang
up.
Instead,
it
will
warn
the
pilot
that
the
defaults
may
be
invalid
and
should
be
reset
in
the
amend
and
set-up
modes
immediately.
It
will
then
wait
for
a
key
stroke
before
proceeding
to
the
initialization
routines.
If
one
of
the
other
tests
fails,
an
error
status
code
is
displayed
to
indicate
what
part
of
the
test
failed.
These
codes
are
listed
in
Table
2.
Table
2
also
lists
some
possible
other
errors
and
their
probable
causes.
When
the
system
hangs
up
and an
error
message
is
displayed,
press
and
hold
the
ENRoute
button,
then
the
AUX
button
(reverse
of
the
INFO
sequence).
The
unit
displays
the
processor
state
at
the
time
of
the
failure.
If
the
shorting
plug
was
installed
during
the
self
test,
an
additional
push
of
reverse
INFO
will
cause
the
unit
to
bypass
the
failure
and
go
straight
to
the
disclaimer
page.
Page
18
Argus
Maintenance
Manual
Part
#5006
July,
1993

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