Lenovo ThinkSystem NE10032, Installation Manual

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NE10032 Installation Guide
System Status LEDs
The following table describes the behavior of the system status LEDs:
Notes:
 Support for the stacking feature depends on the installed firmware. To
determine whether your switch supports stacking, see the
Application Guide for
your specific switch and firmware version.
 If service required is due to a stacking error, this LED flashes or is steady green,
depending on its last known good state.
Table 5.
System status LEDs behavior
LED State Functional Meaning
All Off Total power failure.
- Service
Steady Blue An operational command has been sent to light the
LED so that this device can be more readily located.
Flashing Blue Service is required due to failure of the general system,
its cooling fans, stacking function
1
or its power supply.
The specific failure is indicated in conjunction with the
other system status LEDs.
- Power
Steady Green Power supply is on and operational.
Flashing Green Power supply failure or disconnection. Service is
required.
Off Power supply shutdown. Service is required.
- Fans (1 -6)
Steady Green Fans are on and operational.
Flashing Green Fan failure. Service is required.
Off Fan shutdown. Service is required.
- Stacking
1
Steady Green Device is a Master in a stack.
2
Flashing Green Device is the Backup/Member in a stack.
2
Off Device is not a stacking member.