HP StoreEver MSL2024, MSL4048, MSL8048, and MSL8096 Tape Libraries User and Service Guide (AK378-96059, December 2012)

Table Of Contents
Controller health status indicator
The controller health status indicator is a green LED that pulses on and off in approximately one
second cycles during normal operation. The LED is located on the back of the device in the lower
right corner, as shown in “Controller health status indicator location” (page 37).
Figure 31 Controller health status indicator location
1. Controller health status LED
Power supply back panel (MSL4048, MSL8084, and MSL8096)
Figure 32 Power supply LEDs
AC power is connected.1. Blue
Fan failure. The fan is running too slow or is defective.2. Yellow
The power supply is producing good power for the library.3. Green
Controller health status indicator 37