Lenovo Storage Array 8332 User Manual download pdf (Page 33)

Cooling fan LEDs

An amber LED incorporated in each cooling fan monitors its status. Constant On

indicates a fault condition. .

Drive carrier module LEDs

Disk drive status is monitored by a green LED and an amber LED mounted on the

front of each drive carrier module. The conditions for each LED are defined in

“Drive carrier module faults” on page 30.

Rear panel LED

Table 8. Rear panel status LED

Enclosure ID LED Blue (when activated) Activated by push button on

the front operator's panel, or

by system software. Used to

identify a server from among

several servers.

Server board LEDs

Server board LEDs consist of I/O panel status LEDs and I/O panel NIC LEDs.

I/O panel status LEDs

The server board I/O panel contains a number of diagnostic LEDs, whose

functions are summarized in the following table. Refer to your server board

documentation for full details of each LED state.

Table 9. Server board status LEDs

LED Color Function

System status LED

v Green

v Off

v Alternating green/amber

v Amber

v Green blink

v Amber blink

v System OK

v AC power off

v System not ready

v Critical fault

v System degraded

v Non-fatal alarm, system

likely to fail

4 x power-on self test (POST)

LEDs

Off

*Amber

System running normally

The POST LEDs toggle

between red, green, amber,

and Off at boot up.

*(Lit amber only if a

failure occurs)

I/O panel NIC LEDs

The Network Interface Controller (NIC) LED states are summarized in the

following table. Refer to your server board documentation for full details of each

state.

Chapter 5. Troubleshooting and problem solving 25

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