Dell PowerVault TL4000 - Manual (Page 37)

The following are additional operational details of LEDs:
v The Ready/Activity LED is illuminated any time the unit is powered ON and
functional. The Ready/Activity LED blinks whenever there is library or drive
activity. This LED will also blink when the unit is OFFLINE.
v The Clean LED is illuminated when either a cleaning requested or a cleaning
required flag has been issued by the drive. The LED is turned off after a
successful drive cleaning operation.
v The Attention LED indicates one of the following conditions.
Problem Action Required
Bad media
1. Go to Monitor > Inventory to locate the defective
cartridge.
2. Move the defective cartridge to the I/O Station.
(Operator Control Panel: Control > Move
Cartridges
).
3. Open the I/O Station to remove the defective
cartridge. (Operator Control Panel: Control > Open
I/O
).
Drive sled issues Do one of the following:
- Install a drive sled (see “Removing/Installing/Adding
a Tape Drive Sled” on page 10-3).
- Modify or resubmit Logical Library setting (Operator
Control Panel: Configure > Logical Libraries or Web
User Interface: Configure Library > Logical Libraries).
- Restore defaults (Operator Control Panel: Configure >
Restore Defaults
or Web User Interface: Configure
Library > Restore Defaults).
Redundant power supply failed Complete the following steps:
1. Replace the failed power supply (see “Replacing a
Power Supply” on page 10-10).
2. Cycle library power.
Power supply fan failure Replace the power supply.
v The Error LED is illuminated when there is an unrecoverable (i.e. hard) drive or
library failure. This will happen at the same time the hard error message is
displayed on the screen and the LED will remain lit until the error state is
resolved.
Note: From the Operator Control Panel, run Service > Library Verify. If Library
Verify runs without error, the Error LED turns off. If the error persists,
recycle power.
Input Modes
There are several ways to enter values in the different menu items. These values
are selectable predefined values, toggle values (for example, ON/OFF) and
numerical values like network addresses.
Selecting Predefined Values
1. To set the predefined values, press the SELECT button to select the menu item.
Chapter 2. User Interfaces 2-3