Servicing Fan Modules 125

Fan Module Status LEDs

Each fan module contains a pair of LEDs, which are visible when you open the fan
compartment access door.The following table describes the status LEDs located on
the fan modules.
The frontand rear panel Service Required LEDs are also lit if the system detects a fan
module fault.
If the fan fault causes an over temperature condition to occur,the system Overtemp
LED will turn on and an error message will be logged as well as displayed on the
system console.
Related Information
■“Front Panel Controls and Indicators on SPARCEnterprise T5120 Servers” on
page5
■“Rear Panel Components and Indicators on SPARCEnterprise T5120 Servers” on
page8
■“Front Panel Controls and Indicators on SPARCEnterprise T5220 Servers” on
page9
■“Rear Panel Components and Indicators on SPARCEnterprise T5220 Servers” on
page12
▼Remove a Fan Module
Caution – When changing the fan modules, remove only the fan modules. Do not
service any other components in the fan compartment unless all power is removed
from the system, including removing the power cords.
TABLE: FanModule Status LEDs
LED Color Notes
Power OK Green ThisLED is lit when the system is powered on
and the fan module is functioning correctly.
Service Required Amber This LED is lit when the fan module is faulty.
In addition, the system Fan Fault LED is lit.