System Power On/Standby Led (Green/Amber); Module Fault Led (Amber); Location Led (Blue); Unit Identification Display - Lenovo Storage D1212 Hardware Installation And Maintenance Manual

Figure 21. Enclosure Front Operator's Panel
For details of any fault indication, refer to following table.
Table 4. Ops Panel LEDs
LED
System Power
Module Fault
Location

System Power On/Standby LED (Green/Amber)

Shows amber when only standby power is available. Shows green when system power is available.

Module Fault LED (Amber)

Shows amber when there is a system hardware fault. Additionally, an LED may be lit on a PCM, drawer,
DDIC, cooling module or ESM that helps you identify which component is at fault.

Location LED (Blue)

When activated, the Identify LED blinks at a rate of 1 second on, 1 second off to easily locate the chassis
within a data center. The locate function may be enabled/disabled through SES or by using the hid_set_
ident CLI command.
Note: This LED is not activated for this configuration.

Unit Identification Display

A dual seven segment display that can be used to provide feedback to the user. Its primary function is to
display an enclosure unit identification number to assist users in setting up and maintaining multiple
enclosure systems.
Use a VPD (Vital Product Data) option to configure the unit identification display. The display will be on by
default, and display a value of 0. See section.
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Lenovo Storage D1212/D1224/D3284Hardware Installation and Maintenance Guide
Status
Constant green: good or positive indication
Constant amber: fault present
Constant or flashing amber: fault present
Not used in this configuration