If an error messages appear on the Brain, the following list provides definitions for the error messages as well as potential solutions:
- “Unknown ID”
- Potential solution: contact VEX support at support@vex.com.
- “Update Required” or “Update Needed”
- The firmware on the Brain and/or Sensors needs to be updated.
- Potential solution: update the firmware.
- Click here to view the article, “How to Update the VEX IQ Firmware”.
- “Controller Link Lost”
- The VEX IQ Controller and Brain are out of range.
- Potential solution: bring them closer together.
- For more information on linking the controller, click here to view the article, “How to Read Indicator Lights when Wirelessly Connecting”.
- “Stopped”
- The Driver Control Program is or was running and stopped.
- Potential solution: click the check mark to run the program.
- Click here to view the article, “How to Run User Programs that are on the VEX IQ Robot Brain”.
- “I2C error detected”
- A Smart Motor or Sensor became disconnected from the Brain while a program was running. A Smart Cable may have have been under too much tension or was not been inserted fully.
- Potential solution: Check to make sure the Smart Cable(s) are inserted fully and then turn the Brain off and then back on.
- Click here to view the article, “How to Connect VEX IQ Devices to Smart Ports”.
- Click here to view the article, “How to Turn On/Off a VEX IQ Robot Brain”.