UY1Z1
For
use
by
authorized
service
providers.
Cable
problems:
See
the
IBM
Technical
Information
Manual
for
information
on
how
to
correct
cabling
problems.
Problems
that
are
associated
with
noise
can
cause
a
workstation
to
fail
or
lose
communication
with
the
system
for
various
lengths
of
time.
A
motor
or
any
device
that
is
a
source
of
electrical
radiation
can
cause
noise
or
electrical
interference.
The
following
are
common
causes
for
noise
problems:
v
Cables
that
are
located
near
a
source
of
electrical
interference.
v
Cables
that
are
loose,
damaged,
or
not
correctly
connected
UY1Z2
For
use
by
authorized
service
providers.
This
error
occurs
if
you
attempted
to
activate
more
workstations
than
the
amount
allowed.
Perform
one
of
the
following
to
correct
the
problem:
v
Turn
off
the
power
for
the
workstation
that
caused
the
error,
or
connect
the
workstation
to
a
different
controller.
v
Turn
off
the
power
for
a
different
workstation
that
is
connected
to
the
same
workstation
controller.
See
the
local
workstation
diagrams
for
the
physical
location
of
workstations.
This
ends
the
procedure.
UY1Z3
For
use
by
authorized
service
providers.
This
error
is
caused
by
a
workstation
that
is
connected
to
the
port.
1.
Perform
the
following:
a.
Turn
off
the
power
for
one
workstation
on
the
port
b.
Check
if
the
other
workstations
operate
correctly.
c.
Repeat
this
for
each
workstation
on
the
port.
d.
The
workstation
that
causes
the
problem
is
the
one
that
is
turned
off
when
the
others
are
working
correctly.
e.
If
you
did
not
find
the
problem,
continue
with
the
next
step.
2.
Perform
the
following:
a.
Turn
off
the
power
for
all
workstations
on
the
port.
b.
Then,
turn
on
one
workstation
to
check
if
it
works
when
all
other
workstations
are
turned
off.
c.
Repeat
this
for
each
workstation
on
the
port.
The
workstation
that
causes
the
problem
is
the
one
that
works
when
all
other
workstations
are
turned
off.
This
ends
the
procedure.
UY1Z4
For
use
by
authorized
service
providers.
An
error
occurred
with
the
pass-through
command
between
the
workstation
controller
and
the
workstation.
A
failure
in
the
Licensed
Internal
Code
in
the
workstation
or
the
Licensed
Internal
Code
in
the
workstation
controller
causes
this
type
of
error.
UY1Z5
For
use
by
authorized
service
providers.
478
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation