Note:
The
PSU
status
LED
is
green.
The
other
three
LEDs
are
amber.
See
for
an
illustrated
explanation
of
how
the
LEDs
function.
Power
supply
console
error
messages
The
following
error
messages
appear
on
your
N
series
storage
system
console
if
an
SES
element
on
the
power
supply
fails.
For
information
about
replacing
the
power
supply,
see
Table
8.
Power
supply
console
error
messages
Error
message
Action
required
Power
supply
Element
1:
failed
The
power
supply
unit
on
the
left
at
the
back
of
the
EXN1000
expansion
unit
failed.
Contact
IBM
customer
service
to
replace
the
power
supply.
Power
supply
Element
2:
failed
The
power
supply
unit
on
the
right
at
the
back
of
the
EXN1000
expansion
unit
failed.
Contact
IBM
customer
service
to
replace
the
power
supply.
PSU status normal
Power
Fan LED
AC LED
Figure
10.
Location
of
power
supply
LEDs
26
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