Controller and expansion modules
51
is being maintained by the supercapacitor, the Cache Status LED blinks at a rate of 1/10 second on and 9/10 second
off.
If the controller has failed or does not start, is the Cache Status LED on/blinking?
Answer
Action
No, the Cache LED status is off, and the
controller does not boot.
If the problem persists, replace the controller module.
No, the Cache Status LED is off, and the
controller boots.
The system has flushed data to disks. If the problem persists,
replace the controller module.
Yes, at a strobe 1:10 rate - 1 Hz, and the
controller does not boot.
You may need to replace the controller module.
Yes, at a strobe 1:10 rate - 1 Hz, and the
controller boots.
The system is flushing data to CompactFlash. If the problem
persists, replace the controller module.
Yes, at a blink 1:1 rate - 2 Hz, and the
controller does not boot.
You may need to replace the controller module.
Yes, at a blink 1:1 rate - 1 Hz, and the
controller boots.
The system is in self-refresh mode. If the problem persists,
replace the controller module.
Table 7 LEDs: Rear panel “Cache Status”
