User Guide

Table 2-8 Heartbeat LED, product initialization (continued)
Product initializing
state
Heartbeat LED, normal state Heartbeat LED, error state
Preboot menu available
(including diagnostics)
Green, solid Red, solid
Diagnostic failure
Follow diagnostic instructions
Turn the power off, and then on again to restart
the initialization process.
Accessing disk for
firmware image
Green, solid
NOTE: If applicable, disk error messages
appear on the control-panel display.
Yellow, fast flash
Control panel not connected
Firmware boot Green, solid
NOTE: If applicable, error messages appear
on the control-panel display.
Yellow, fast flash
Control panel not connected
Product operational Green, heartbeat blink
NOTE: If applicable, error messages appear
on the control-panel display.
Yellow, fast flash
Control panel not connected
49.xx.yy Not applicable LED off
NOTE: An error message (for example,
49.xx.yy) might appear on the control-panel
display.
Eventually a formatter connection missing
message will appear.
Turn the power off, and then on again to restart
the initialization process.
If the error persists, perform a firmware upgrade.
Control panel
connection interrupted
after the product is
operational
Not applicable Yellow, fast flash
Control panel not connected
Sleep Mode Green, slow blink Not applicable
Approaching Sleep
Mode
Green, slow blink Not applicable
Wake up from Sleep
Mode
Follows initialization progression. Follows initialization progression.
Approaching wake up
from Sleep Mode
Follows initialization progression. Follows initialization progression.
82 Chapter 2 Solve problems ENWW