If the propellers don't spin the first thing you want to check is that the drone is on and working. If it is running and 1+ propellers just isn't spinning, then the next step is to check to see if any dirt or debris is stuck in the propellers. If the propellers are clean, check to see if they're broken and check to see if they spin when you spin them.
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If the propellers don't spin the first thing you want to check is that the drone is on and working. If it is running and 1+ propellers just aren't spinning, then the next step is to check to see if any dirt or debris is stuck in the propellers. If the propellers are clean, check to see if they're broken and check to see if they spin when you spin them.
If the propellers don't spin the first thing you want to check is that the drone is on and working. If it is running and 1+ propellers just isn't spinning, then the next step is to check to see if any dirt or debris is stuck in the propellers. If the propellers are clean, check to see if they're broken and check to see if they spin when you spin them.
[[UDI U818A Troubleshooting]]