19. Troubleshooting
Problem
Cause
Suggestion
Quadcopter does
not respond.
Pairing fail.
Switch the transmitter and quadcopter power
OFF, then repeat the pairing process.
See section: “a) Pair the transmitter with the
quadcopter” on page 36.
Quadcopter is
locked.
Unlock the quadcopter. See section:
“b) Ready for take off” on page 36.
No battery.
Recharge the battery.
Propellers keep
spinning after
landing.
Throttle lever not
held in max. down
position.
Hold the throttle lever at the maximum down
position until the propellers stop spinning.
Cannot take off.
Propellers not
installed correctly
See section: “17. Replace propellers” on page 42.
Low battery
Recharge the battery.
Not all propellers
spinning at the
same speed.
Propellers are
incorrectly
installed.
See section: “17. Replace propellers” on page 42.
Propellers are
damaged.
Calibration failed.
Place the on a horizontal surface and recalibrate
the sensors.
See section: “b) Ready for take off” on page 36.
Quadcopter
cannot fly after
crashing
Loose propellers.
Check that the propellers are inserted all the way.
Push them in if needed.
Damaged
propellers.
See section: “17. Replace propellers” on page 42.
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