Power-Up Display; Note About The Leds - Fujitsu ETERNUS LT20 S2 Installing, Starting Up And Maintaining

Operator Control Panel (OCP)
● Any error detected by the library controller or the drive and not recoverable
through predetermined firmware algorithms, will be considered as fatal. An
error code will be displayed on the OCP and the error LED will become
illuminated. The error code will remain on the OCP until a push button is
pressed, the OCP will return to the Home Screen.
Numeric error codes are only used for unrecoverable, fatal errors, otherwise
●
text status messages are provided.
4.1.3

Power-Up Display

When the ETERNUS LT20 device powers up, or resets, it goes through several
internally controlled processes that allows it to get initialized and running. This
processes are called Power-On-Self-Test (POST). While the POST is
happening, the OCP shall have appropriate information displayed to keep the
user informed. When the library finishes POST, it will display the current drive
mount status in the Home Screen. If the drive is empty, the following status will
be displayed.
Figure 20: POST when drive empty
4.1.4

Note about the LEDs

All LEDs are updated during power up and reset sequences. Upon power up or
software reset, the library will illuminate all LEDs as soon as POST allows. This
will help the user to verify if all LEDs are functional. When initialization starts, all
LEDs will be extinguished and the Ready/Activity LED will flash at a reasonable
rate of approximately 1-second per cycle, 50% duty cycle. When the mechanical
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Operating the LTO Library
ETERNUS LT20 S2