N7 Autopilot User Manual (ArduPilot) v1.0
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blue lights are flashing) in which case unplugging the battery and plugging it in
again while being careful not to jostle the vehicle will likely resolve the issue.
Sensor’s hardware failures (i.e., spikes) can also cause this failure.
⚫ Gyros inconsistent: two gyroscopes are reporting vehicle rotation rates that differ
by more than 20deg/sec. This is likely a hardware failure or caused by a bad
gyro calibration.
⚫ Check Board Voltage: the board’s internal voltage is below 4.3 Volts or above
5.8 Volts.
⚫ Ch7&Ch8 Opt cannot be same.
⚫ Check FS_THR_VALUE: the radio failsafe pwm value has been set too close to
the throttle channels (i.e., ch3) minimum.
⚫ Check ANGLE_MAX: the ANGLE_MAX parameter which controls the vehicle’s
maximum lean angle has been set below 10 degrees (i.e., 1000) or above 80
degrees (i.e., 8000).
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