Fastt500 Raid Controller Indicator Lights (Front Panel) - IBM TotalStorage DS4000 Hardware Maintenance Manual

Controller
Figure 31. FAStT500 RAID controller indicator lights (front panel)
Table 24. FAStT500 RAID controller indicator lights (front panel)
Indicator light Color
Component: controller CRU
Power Green
Fault Amber
Heartbeat Green
Status Green
(eight lights
including
Heartbeat)
Component: controller fan
Power Green
Power supply Amber
fault
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IBM TotalStorage DS4000: Hardware Maintenance Manual
Power
Fault
Power supply
Power
Controller
fan
Fast write cache
Fault-B
Full Charge-B
Normal Problem
Operation Indicator
On Off
Off On
Blinking (2) Not blinking (2) No controller activity
Various patterns Various patterns
depending on depending on
the condition the condition
On Off
Off On
Heartbeat
Full Charge-A
Fault-A
Possible conditions suggested
by the problem indicator (1)
v No power to controller unit
v No power to storage subsystem
v Cables are loose or the switches are off
v Power supply failed, is missing, or is not fully
seated
v Overtemperature condition
Controller failure; controller fault condition
If the second, third, sixth, and seventh lights are on
or if all eight lights are on, there is a memory fault
that indicates that the controller CRU failed.
v No power to controller unit
v No power to storage subsystem
v Cables are loose or the switches are off
v Power supply failed, is missing, or is not fully
seated in controller unit
v Overtemperature condition
v Power supply failed
v Overtemperature
v Power supply is turned off, disconnected, or not
fully seated in controller unit
v No power to controller unit or storage
subsystem (all indicator lights are off)