Fujitsu PRIMEPOWER 800, User Manual

Page: 118 / 145

90 C120-E093-04EN
Appendix C Expansion File Unit
C.2 EFU Components and Functions
This section gives the name of each component in the front and rear panels of the Expansion File
Unit, and explains its function.
C.2.1 Front View
The component names and their functions are described below:
Figure C.1 Expansion File Unit (Front View)
(1) POWER LED
Indicates the power state of the Expansion File Unit. When the Expansion File Unit is turned on,
the green indicator lights.
(2) CHECK LED
Indicates the internal state of the Expansion File Unit. When an error occurs in the Expansion
File Unit, this indicator lights as listed in Table C.1 .
If the CHECK LED lights, record the condition of the LED and contact the certified service
engineer.
Table C.1 CHECK LED
Status Contents Remarks
Off No Error ---
Blinking Maintenance
command response
During maintenance work of Expansion File Unit, this
indicator blinks according to the maintenance procedures.
(A check about whether or not the disk cabinet requires
maintenance and repair is also available.)
On Error Lights when a Power Supply Unit or fan unit is failed.