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3. When you hear the buzzer beeping for a long time and the flight controller indicator light is always on, the
arming is successful
4. Toggle the 8-channel switch to the maximum value, and wait for the motor to rotate to a constant speed.
Note 1: When it is not stick mode 2, please perform the arm action as the lowest for channel 3, and the
highest for channel 4. For details, you can check the Mission Planner for the arming action.
Note 2: When the arming action is performed, but there is a beep from the buzzer, which means that it
cannot be armed at this time, and there is a fault. Please connect the flight controller to the Mission Planner
to check the disarm prompt, and solve the fault according to the fault description below.
Disarm action:
1. Toggle the 8-channel switch to the minimum value and wait for the motor to stop rotating
2. The left joystick executes the action shown in the picture below and holds for 5 seconds. When the flight
controller indicator flashes and the motor stops, the disarm is done.
Note: 1. When it is not stick mode 2, please execute the lowest for channel 3 and the lowest for channel 4 to
disarm
2. After landing, please wait for the propeller speed to decrease before performing the disarm action,
otherwise it may cause the possibility of the aircraft turning over
6.3 Failure Messages
RC failures (i.e., transmitter/receiver failures):
safe switch: The safety switch is not closed. Check the value of BRD_SAFETYENABLE in all parameter list.
If it is 1, modify it to 0.
RC not calibrated: the radio calibration has not been performed. RC3_MIN and RC3_MAX must have been
changed from their default values (1100 and 1900), and for channels 1 to 4, MIN value must be 1300 or less,
and MAX value 1700 or more.
Barometer failures:
Baro not healthy: the barometer sensor is reporting that it is unhealthy which is normally a sign of a
hardware failure.
Alt disparity: the barometer altitude disagrees with the inertial navigation (i.e. Baro + Accelerometer) altitude
estimate by more than 2 meters. This message is normally short-lived and can occur when the flight
controller is first plugged in or if it receives a hard jolt (i.e. dropped suddenly). If it does not clear the
accelerometers may need to be calibrated or there may be a barometer hardware issue.
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