Root
Causes
1.
Board
level
hardware
failures
2.
Permanent
or
temporary
short
in
cables,
connectors,
Picker
3.
Various
hardware
failures
in
Picker
that
cause
too
much
current
to
be
drawn
Possible
CRU
Replacements
v
Library
Control
Board
Possible
FRU
Replacements
v
Library
Control
Blade
Picker
fuse
v
Library
Control
Blade
Resolution
Remove
and
replace
the
Library
Control
Blade
(see
T066:
Drive
power
fuse
(F1)
blown
Description
The
library
detects
that
an
F1
drive
fuse
located
on
a
DSIB
board
has
failed.
Each
module
has
a
DSIB
card
to
provide
an
electrical
connection
point
for
the
drive
sleds.
Each
DSIB
has
a
replaceable
fuse
for
the
overall
drive
power
bus.
This
protects
the
core
library
hardware
components
from
some
type
of
short
or
over
current
problem
in
one
or
more
drives.
Detection
Scenarios
v
Monitoring
of
voltage
divider
indicates
partial
or
complete
voltage
drop
Root
Causes:
1.
Board
level
hardware
failure
2.
Permanent
or
temporary
short
circuit
conditions
in
drives,
drive
sleds,
docking
connectors,
etc.
Possible
FRU
Replacements
DSIB
fuse
Resolution
Replace
the
drive
(see“Adding/Removing/Replacing
T067:
Display
Assembly
hardware
failure
Description
The
library
encounters
an
error
which
appears
to
be
isolated
to
display
assembly
hardware.
This
includes
the
DIEB
board.
Detection
Scenarios
1.
No
i2C
communication
with
board
2.
No
GPIO
with
board
3.
No
CAN
with
board
4.
DIEB
fuse
is
blown
Root
Causes
1.
Board
level
hardware
failures
2.
Display
not
plugged
in
3.
Cable
failure
or
not
plugged
in
Possible
FRU
Replacements
v
Operator
Panel
v
Enclosure
Resolution
Remove
and
replace
the
display
assembly
(see
Chapter
10.
Service
Action
Tickets
(Txxx)
and
Diagnostic
Resolutions
(DRxxx)
10-25
Summary of Contents for System Storage TS3310
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