Table 3-19 Heartbeat LED, product initialization (continued)
Product initializing state Heartbeat LED, normal state Heartbeat LED, error state
◦
Boot process halted
Replace the formatter.
HW checks on board
DRAM
Green, solid Red, solid
●
Power on self check failure
◦
Boot process halted
Replace the formatter.
Control panel connection
initializes
Green, solid
NOTE: Control panel communication successful.
If an error occurs, a message will appear on the
control-panel display.
Yellow, fast flash
●
Formatter to control panel connection failed
◦
Boot process continues
Check the cables between the formatter and
control panel for damage. Make sure that the
cables are fully seated.
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 error or
initialization freezes
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
ENWW Tools for troubleshooting 275
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