Check AP300 LED Activity
© 2010 Meru Networks, Inc. Installing AP300 35
AP300/AP300i LED Descriptions
LED Function Troubleshooting
Power
off—no power
green—presence of power
Status
off—no power
green—booting stage 1
blinking green and off—booting stage 2
blinking green and white—discovering the
controller
blinking green and blue—downloading a
configuration from the controller
blinking blue and off—AP is online and
enabled, working state
blinking red and yellow—failure; consult
controller for alarm state
If the status LED is blinking red and
yellow, there is an alarm on the AP.
Determine what the alarm is by
clicking Monitor > Dashboard >
Alarms and looking at the AP alarms.
You can also use the CLI commands
show alarm and show log.
LAN
off—no power or no link
green—link status OK (at any speed)
green/blinking—activity (at any speed)
red—auto negotiation failure
If the LAN LED is red, auto
negotiation failed. This means that
you have a problem with cabling or
with the AP’s switch.
Radio 1
Radio 2
off—no radio present
green—radio enabled
green blinking—data activity
yellow—disabled or in scanning mode
red—failure
If one of the radio LEDs is yellow, it is
either disabled or in scanning mode.
To see if the AP is disabled, click
Configuration > Wireless > Radio >
select a radio and then look at
Administrative Status, which should
be set to Up. To see if the AP is in
Scanning Mode, click Configuration >
Wireless > Radio > select a radio and
look at AP Modes, which should be set
to Normal Mode.
If one of the radio LEDs is red, the
radio failed. Check the alarms
(Monitor > Dashboard > Alarms),
diagnostics (Monitor > Diagnostics >
Radio), and statistics (Monitor >
Dashboard > Radio) on the AP’s
controller to determine the cause.
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