21020690 B 6500 Disk Array User’s Guide
Chapter 4 Maintenance, Troubleshooting & Hardware Replacement
Page 4 - 6 Failure Detection and Troubleshoot-ing Guidelines
FailureIndicators
When a failure occurs on the array, an audible alarm sounds, if enabled, and
the display/operation panel reports the nature of the failure condition.

Audible Alarm

To turn off the audible alarm, press any key on the display/operation panel
(except RESET). Write down any error codes that are displayed. Press ing a key
will cause the display to change to a different message.

Error/Failure Messages

The display/operation panel shows error codes and failure messages that direct
you to the source of failure. If there are no failures, the panel will read
(or assigned array name) .
Figure 15 Display Status
As described on the following pages, you may encounter the following types
of failures:
• Built-In Self-Test (BIST) failures
• Drive test failures
• Disk drive failures
• Over-temperature failures