IBM DS3500 Installation, User & Maintenance Manual page 150

Table 9. Troubleshooting (continued)
Problem
indicator
All green LEDs
are off
Amber LED is
flashing
One or more
green LEDs are
off
130
System Storage DS3500 and EXP3500: Installation, User's, and Maintenance Guide
Component Possible cause
All components Subsystem power is
off
AC power failure
Power-supply failure Replace the power supply.
Operating
environment is too
hot
Drives (fault Drive identification
LED is lit) is in process
Power supplies Power cable is
disconnected or
switches are turned
off
All drives Midplane failure
Several Hardware failure
components
The DS3500 was
not powered-on, or
all SAS cable
connections
between the
expansion
enclosures and the
DS3500 storage
subsystem failed.
Front panel Power supply
problem
Hardware failure
Possible solutions
Make sure that all storage
subsystem power cables are
connected and that the
power-supply switches are on. If
applicable, make sure that the
main circuit breakers for the rack
are turned on.
Check the main circuit breaker
and ac receptacle.
Cool down the environment.
No corrective action is needed.
Make sure that the power cord is
connected and that the switches
are turned on.
Replace the DS3500. Contact
your IBM technical-support
representative.
Replace the affected
components. If this does not
correct the problem, replace the
RAID controllers. Contact your
IBM technical-support
representative.
Perform one of the following
actions:
v Power-on the storage
subsystem.
v Make sure that the SAS cable
connections between the
expansion enclosures and the
DS3500 storage subsystem
are made.
Make sure that the power cables
are connected and that the power
supplies are turned on.
If any other LEDs are lit, replace
the midplane. Contact your IBM
technical-support representative.