Setup guide

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5: Troubleshooting Information
Table 5-2 describes the functions of the ISS3112-RP2 green drive activity LED.
ISS3112-RP2 Server Power Supply LEDs
There is a single bi-color LED (green/amber) to indicate the ISS3112-RP2 server power supply
status. Table 5-3 describes the different states of the LED.
Table 5-2 ISS3112-RP2 HDD Activity LED Functions
LED
Color Drive Condition
Drive
Type LED Behavior
Green
Power on with no drive activity.
SAS LED stays on.
Power on with drive activity.
SAS LED blinks off when
processing a command.
Power on and drive spun down.
SAS LED stays off.
Power on and drive spinning up.
SAS LED blinks.
Table 5-3 ISS3112-RP2 Power Supply LED States
LED State Power Supply (PS) State
Off No AC power to any PS.
Green Output on and Ok.
Green, 1Hz blink AC present (only 12VSB on). PS off or PS in cold redundant state.
Green, 2Hz blink PS firmware updating.
Amber – PS critical event causing a shutdown/failure (OCP, OVP, fan failure) –
AC cord unplugged or AC power lost. A second power supply in parallel
still has AC input power.
Amber, 1Hz blink PS warning events where the power supply continues to operate (high
temperature, high power, high current, slow fan).