Why would my HVAC blower motor stop working after 10 minutes of runtime
There could be multiple issues, low Freon levels is one that can cause a low Freon pressure shutdown , this usually takes a specific amount of time based on the ambient temperature once the system has compressed the high pressure side and the suction side doesn’t have enough pressure automatic system shutdown, the second can be an iced up evaporator coil causing high back pressure as Jim said with the air handler motor tripping its thermal overload, once it cools down it will restart if the unit is still turned on. You need to open the inside unit (air handler) and see if the coil is iced up. If iced up you will need a leak check and recharge. 2 years old there is a leak that needs to be fixed prior to recharging or you will be recharging again in 2 years or less. If the coil is not iced up spin the motor you may have a bad bearing that is causing the motor to overload and trip it’s thermal overload, these are the main problems I see and would be my first checks, a cap going bad in 2 years is possible but they usually last much longer and would trip out sooner (just a minute or 2) if a start cap.