Troubleshooting - IQ Brain (1st gen)

If the Brain is not behaving as expected, review the following list of troubleshooting scenarios:

• The Brain is on, 
  • The LED is green but it is not responsive to button presses.
    • Try turning the Brain Off/On manually.
  • The LED is red and it is not responsive to button presses.
  • Try charging the Robot Battery and then restarting the Brain with a fully charged Robot Battery.
  • Read more about How to Read Indicator Lights on the VEX IQ Robot Brain.
  • “Update Required” is displayed on the Brain’s LCD screen. 
    • Follow the instructions for How to Update the VEX IQ Firmware.
  • An error message is displayed on the Brain’s LCD screen.
    • Read How to Fix Displayed Error Messages on the Robot Brain.

• The Brain will not power on.
  • The Robot Battery might need to be charged.
  • Follow the instructions for How to Charge the VEX IQ Robot Battery.
  • Read Best Practices for Preserving the VEX IQ Robot Battery's Life.
  • Review How to Read Indicator Lights on the VEX IQ Battery Charger.
  • The Robot Battery might not be fully seated in the Brain.
  • Check that there is no obstruction between the Robot Battery and the Brain.
  • Review How to Install or Remove the VEX IQ Robot Battery.

• The Brain is on and the LED is green.
• The Brain has a charged Robot Battery and is ready for use. 
• No further troubleshooting is required.