Does not run

- Check batteries; lighting condition if solar panel is used.

- Check if all gears are installed correctly (p6-9)

- Check Drive shaft assembly with the motor (p20)

Runs backward

- Check wiring

Rear wheels do not turn but motor is running

- Check pinion gear and crown gear engagement (p8)

- Check pinion gear if seated on the drive shaft (p8)

- Check if drive shaft is pushed into the motor case sufficiently (p11)

- Check motor case with cover if pushed in enough (p19)

***Note: If you need a replacement part you can order it online here, http://www.owirobot.com/pages/Parts-Order-Form.html or fill out the warranty form in the back of your manual and send it to: 

Email: info@owirobot.com

or

Fax: (310) 515-0927