Vector and Cozmo Robot Troubleshooting
No Response When Placed on Charger
Troubleshooting Steps:
- Verify charger outputs 5V with multimeter
- Clean charging contacts on robot
- Test with known good battery
- If problem persists, replace screen/speaker assembly
Cozmo Display Stays Off After Lifting Arms While On Charger
Cause: Disconnected wire on lift gear microchip
Solution: Disassemble and check lift gear wiring connections
Lift Doesn't Work Correctly
Cause: Broken lift gear teeth
Solutions:
- Remove arms and manually rotate lift gear
- Feel for rough spots indicating broken teeth
- Rotate past broken section and reassemble
- For complete repair: disassemble, replace broken gears, or remove debris
Robot powers off after a short time
Complete Power Loss
Causes: Likely dead battery
Solution: Replace battery (503040 lipo)
Cozmo Password Connection Issues
Troubleshooting Steps:
- Enter password exactly as displayed (preserve dashes and capitalization)
- Power cycle Cozmo and retry connection
- Some units require multiple connection attempts
- If persistent issues, the Wi-Fi adapter may be faulty