Apple AirPort Extreme Base Station v4.2 - Manual (Page 32)

32 Appendix AirPort Extreme Base Station Specifications
Base Station LED Sequences
The following table explains the base station’s light sequences and what they indicate.
Left Center Right Status/description
Off Off Off The base station is unplugged or has failed.
If the base station is plugged in and all
lights are off, contact your Apple-authorized
service provider.
On On On The base station is in self-check mode.
Rapid sequenced flashing, right-to-left The base station is starting up.
Slowly flashing Slowly flashing Slowly flashing The base station has failed the power-on
self-test. Contact your Apple-authorized
service provider.
Off Flashing slowly Off The base station is being reset. The network
and base station passwords are reset to
public.
Off Flashing three
times Off The base station is being reset, and all
settings are returned to their factory
defaults.
Off/Flashing On Off/Flashing Left and right flashing indicates normal
network activity. The left LED flashing
indicates AirPort wireless activity and the
right LED flashing indicates Ethernet or
network activity.