HP SureStore E Disk Array FC60 Service Manual (A5635A)

218 Controller Enclosure Troubleshooting
Controller Status LEDs
A bank of eight status LEDs plus a Fault LED and a Power LED on the controller module
display status information. Each controller module displays only its own status and fault
information; it does not display information about the other controller module, if it is
installed. Figure 75 shows the location of the controller status LEDs.
.
Figure 75
Controller Module Status LEDs
Normal Active -Active LED Patterns
The Heartbeat LED is in the most-significant position of the 8 status LEDs. The pattern
displayed on the Status LED bank for an active controller alternates between 0x00
to 0x80 . A passive controller’s status LEDs will alternate between
0x6E to 0xEE .