26.3.1 Oracle Server LEDs

Table 26-2 identifies the LED status indicators that can indicate faults on the compute servers and the storage servers.

Table 26-2 Oracle Server LED Status Descriptions

Component	LED Status
General Status	The following LEDs are located on the front and back panels of each server: Service Required (amber) Off indicates normal operation. Steady on indicates a fault in the server. Power/OK (green) Steady on indicates that the server is powered on. A slow blink indicates that the server is starting up. A steady blink indicates that standby power is on, but chassis power is off. Off indicates no AC power or an incomplete startup of Oracle ILOM.
Fans	Each fan module has one bicolored LED, which you can see when the top cover fan door is open. Fan Status (amber/green) Amber indicates that the fan module is faulty. The front and rear panel Service Required LEDs are also lit when the system detects a fan module fault. Green indicates that the system is powered on, and the fan module is functioning correctly.
Drives	The following LEDs are located on the storage and boot drives: Service Required (amber) Off indicates normal operation. Steady on indicates a fault in the drive. OK/Activity (green) Steady on indicates normal inactivity. A steady blink indicates normal activity. Off indicates that the power is off, or the system does not recognize the drive.
Power supply	The following LEDs are on each power supply. You can see them from the back of the server. Service Required (amber) Off indicates normal operation. Steady on indicates that the system has detected a problem in the power supply regarding the voltage, current, temperature, or fans. AC OK/DC OK (green) Steady on indicates normal operation for both AC and DC power. A slow blink indicates that input AC power is normal and output DC power is disabled. Off indicates no input AC power.