Front control panel

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The power status and the hard disk drive and network activity of the appliance can be read from its front control panel, as shown in the following figure.

Figure 1. Front panel buttons and LEDs for the appliance
Buttons and LEDs on the front of the appliance

Physical buttons

The appliance includes two push buttons on the right of the front panel:
Reboots the system.
Applies or removes power from the power supply to the appliance. Powering down the appliance removes the main power, but supplies stand-by power. The appliance must be unplugged before servicing.

LEDs

The control panel has five LEDs to provide critical information for different components:
Light bulb icon
Power supplied to PSUs - lit when the appliance is operating.
Cylinder icon
Hard disk activity.
Network icon with number 1
Network activity on ETH0 when it is flashing.
Network icon with number 2
Network activity on ETH1 when it is flashing.
Light bulb icon with warning
Power supply failure when it is flashing.
Thermometer icon
Fan failure when it is flashing. Overheat condition when it is lit. Check the following conditions:
  • Room temperature
  • Cable routing inside appliance
  • All fans are present and operating normally.
  • Appliance covers are installed.
  • Heat sinks are installed properly.