Understanding Indicator Lights on EXP Controller

Notice there are two different indicator lights on the VEX EXP Controller.

Power LED

The first indicator light is called the Power LED.

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There are three possible colors of the Power LED to indicate the status of the VEX EXP Controller Battery and of the VEX EXP Radio Link:

Power LED Color   Controller Status Controller Battery Status

Solid Green Controller ON - NOT paired with a Brain Controller Battery level sufficient

Blinking Green Controller ON - Paired with a Brain Controller Battery level sufficient

solid_color.png

Solid Yellow Actively Pairing  

Solid Red Controller ON Controller Battery level low

blinking_red.png

Blinking Red Controller ON - Paired with a Brain Controller Battery level low

If the Controller is not wirelessly connected to a VEX EXP Brain, see this article for more information about wirelessly pairing a VEX EXP Controller and Brain.


Charge LED

The second is called the Charge LED. This LED will only illuminate when the Controller is plugged into a charger. 

EXP_Controller_with_Green_Indicator_Charge_Highlighted.png

There are three possible colors for the Charge LED: green, red, and gray.

Charge LED Color   Status

Solid Green Controller Battery is completely charged

Solid Red Controller Battery charge in progress

Blinking Red Controller Battery fault

Off Not charging

See this article for information on how to charge a VEX EXP Controller.

For more information, help, and tips, check out the many resources at VEX Professional Development Plus