Ubiquity UniFi AP – LED Color Pattern guide

Status of Access Points is determined by the pattern of the LED indicators.

There are two general categories, identified by their LED colors:

  • White and Blue
  • Green and Amber (Legacy devices)

WHITE AND BLUE

 Device Activity
LED Pattern

Initializing

AP is Booting

Flashing White / Off Every 1/2s

Factory Defaults

AP is Awaiting Adoption

Steady White

BLE Connection (UDM Only)

A client is connected to the UDM via Bluetooth (BLE)

UDM-BLE.gif

Slow Flashing Blue

Adopted

AP is Broadcasting SSIDs; Normal Operating Mode

Steady Blue

Initialization Error A12

Power Cycle AP and Contact Support if Recurring

Strobing White / Off

Firmware Upgrade

AP is Busy with Upgrade. Do not Interrupt!

In the UDM’s case, it will flash only white during upgrade.

Quickly Flashing White / Blue

Isolated

AP Lost Network Connectivity, Searching for Wireless Uplink

Blue and Flashing Off Every 5s

Locating

The AP Locate Feature was Activated in Controller or the UniFi AC EasySetup App

Rapid Flashing Blue / Off

TFTP Mode

The device is in TFTP mode, which is triggered by holding the reset button before applying power, then continuing to hold reset until this White/Blue/Off/repeat sequence is seen. If this is not intentional, check and see if the reset button is jammed, it should click when pushed.

UAP-AC-TFTP.gif

Flashing White-Blue-Off

Device Offline

Verify Power, POE and Ethernet Cable

LED Off

 

GREEN AND AMBER

 Device Activity LED Pattern

Initializing

AP is Booting

Flashing Amber / Off Every 1/2s

Factory Defaults

AP is Awaiting Adoption

Steady Amber

Adopted

AP is Broadcasting SSIDs;
Normal Operating Mode

Steady Green

Initialization Error A12

Power Cycle AP and Contact Support if Recurring

 

Strobing Amber / Off

Firmware Upgrade

AP is Busy with Upgrade. Do not interrupt!

 

Quickly Flashing Amber / Green

Isolated

AP Lost Network Connectivity,
Searching for Wireless Uplink

Green and Flashing Off Every 5s

Locating

The AP Locate Feature was Activated in Controller or the UniFi AC EasySetup App

Rapid Flashing Green / Off

TFTP Mode

The device is in TFTP mode, which is triggered by holding the reset button before applying power, then continuing to hold reset until this Amber-Green-Off (repeat) sequence is seen. If this is not intentional, check and see if the reset button is jammed, it should click when pushed.

UAP-TFTP.gif

Amber – Green – Off

Device Offline

Verify Power, POE and Ethernet Cable

LED Off

 

Full reference:
https://help.ui.com/hc/en-us/articles/204910134