2/9/2018
SunFounder 250 - Wiki
http://wiki.sunfounder.cc/index.php?title=SunFounder_250
8/12
2. Check the bearings and fans: when the rotator spins normally, there should have no noise, indicating the bearing and air gap is in good condition. If the
bearing holds dead, the motor may burn out.
4. ESCs Test
Test Operations (power-on):