IBM System Storage DS4000, Hardware Maintenance Manual

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Table 37. DS4400 storage server battery indicator lights
Indicator light Color
Normal
operation
Problem
indicator
Possible conditions suggested by the
problem indicator
1
Fault-A or
Fault-B
Amber Off On
v
Left or right battery bank failed
v Battery is either discharged or defective
Full Charge-A
or Full
Charge-B
Green On
2
Off
v
Left or right battery bank is not fully
charged
v Power has been off for an extended period
and has drained battery power
v Batteries are weak
1
Always use the storage management software to identify the failure.
2
If either Full Charge-A or Full Charge-B indicator light is blinking, the battery is in the process of charging.
Fan and communications module indicator light
The fan and communications module has one indicator light as shown in Figure 59.
Table 38 describes the fan and communications module indicator light.
Table 38. DS4400 storage server fan and communications module indicator light
Indicator light Color
Normal
operation
Problem
indicator
Possible conditions suggested by the
problem indicator
1
Fan and
communication fault
Amber Off On
v
Fan and communications module failed
or is installed incorrectly
v Overtemperature condition
1
Always use the storage management software to identify the failure.
Power supply indicator light
The power supply has one indicator light, as shown in Figure 60 on page 86.
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
OUT
IN
!
2 Gb/s
1 Gb/s
Fault
Amber light indicates a fault in the fan and
communications module.
Normal status: Off
Problem status: On
Figure 59. DS4400 storage server fan and communications module indicator light
Chapter 10. Type 1742 DS4400 Storage Server
85