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Status LED Blink Codes

The RGB LED located on the Control Hub (REV-31-1595) and Expansion Hub (REV-31-1153) near the RS485 ports and on the bottom of the Driver Hub (REV-31-1956) provide user feedback regarding the status of the Hub. Below is a Table of the Blink Codes.

Control Hub

All Control Hub Blink Codes assume the latest Control Hub Operating System is running on the device

Robot Controller Application 6.0 or Higher

If a Control Hub is running Robot Controller Application 5.5 or lower the LED Blink Codes for the Hub will be the same as an Expansion Hub running Firmware Version 1.7.0 or higher.
LED Status
LED Description
When
Hub Status
Solid Blue
At Boot
Control Hub has power; Battery is >7V and is waiting to initialize communications.
Solid Blue
Anytime
Hub is waiting for communication with the Driver Station Host.
Control Hub has power; Battery is >7V.
Solid Green
Anytime
Hub has power and active communication with the Android Platform.
Blinking Blue
Anytime
Keep alive has timed out. Fault will clear when communication resumes.
Blinking Orange
Anytime
Battery Voltage is lower than 7V. Either the 12V battery needs to be charged, or the Expansion Hub is running on USB power only. This fault will clear when battery voltage is raised above 7V.
This will not be overwritten by the keep alive timeout pattern.
Blinking Magenta
Control Hub changed Wi-Fi Band to 5GHz after pressing the button
Blinking Yellow
Control Hub changed Wi-Fi Band to 2.4GHz after pressing the button

Driver Hub

All Driver Hub Blink Codes assume the latest Driver Hub Software is running on the device

LED A

LED Status
LED Description
Hub Status
Blinking White
Operating System is Booting
Blinking Green
General Activity

LED B

LED Status
LED Description
Hub Status
Solid Green
Device is on

Battery Status LED

LED Status
LED Description
Hub Status
Blinking Red
Battery Charging
Solid Red
Battery Charged

Expansion Hub

Firmware Version 1.7.0 or Higher

LED Status
LED Description
When
Hub Status
Solid Blue
At Boot
Hub has power; Battery is >7V and is waiting to initialize communications.
Solid Blue
Anytime
Hub is waiting for communication with the Robot Controller.
Hub has power; Battery is >7V.
Solid Green with one or more blue blinks every
~5 Seconds
Anytime
Hub has power and active communication with the Android Platform. The number of blue blinks is the same as the Expansion Hub’s address.
The factory default address is 2 (
).
Blinking Blue
Anytime
Keep alive has timed out. Fault will clear when communication resumes.
Blinking Orange
Anytime
Battery Voltage is lower than 7V. Either the 12V battery needs to be charged, or the Expansion Hub is running on USB power only. This fault will clear when battery voltage is raised above 7V.
This will not be overwritten by the keep alive timeout pattern.