Hardware Install Questions

No, it doesn’t.
Yes, it does.
No need, VU already includes BEC function.
In principle, one MC port connect to one ESC and one motor.
Never move aircraft within 5s after power it on. No trim in your transmitter.
Yes,Low-Voltage Warning is available in manual mode.
Please change Motor Idle Speed through assistant software.
Make sure driver has been installed sucessfully, PMU should be connected to LED port of MC, not Ext port.
NAZA has no OSD function, 3rd part OSD product can be used.


No,It can’t be used on helicopter.
Place your aircraft outside for minutes firstly.
Used for GPS Module.
Yes, it does.
You can not have position lock without Naza GPS module. The flight performance will affected a lot by the environment,such as windy condition, mechanically setup, center of gravity, etc.
Please check the motors and ESCs. It is also possible that the NAZA sensor error is too big, please connect to the assistant software and calibrate the IMU.
In order to prevent faulty operation, you need to execute CSC. Please check the user manual for detailed instructions.

Please observe the LED flashing status.
Four yellow flashes means preheating, and after preheating it will be OK.
Four green flashes means there is a sensor error, please connect to the assistant software and calibrate the IMU.
Four red flashes means the sticks are not in center position, please connect the software and calibrate the transmitter.

Please check the power supply connection.
Please check the transmitter stick commands and its channel mapping in the software, it has to be consistent and makes full range sliding. Also check the throttle and pitch channel mapping.

It means the compass has been compromised, please calibrate the compass.
No, you cannot.
The internal sensor may break down because of collision. Please contact local dealer for after-sales service.
The SN has already been entered, no need to input again. This is because you did not connect the main controller or you did not install driver correctly.

Please confirm your email address is correct or check the spam mail.
It is recommended to use Gmail, hotmail, etc for registration.

Please read the user manual carefully, this may be caused by incorrect installation. Please check:
1. the orientation of the main controller;
2. the rotate direction of the motor and propeller;
3. the ESCs are in the correct port;
4. set the correct mixer type in the software;

The compass has been compromised. Please calibrate the compass. If the problem cannot be solved, please refer to the user manual ‘Toilet Bowl Effect’.
The main controller failed to identify the GPS &compass module. Please check the connection.

Software Settings Questions

No, currently it only works on Win XP, Win7, Win8.
Please log in your email box, and click the link to activate the register firstly, then you can enter the software with the email and password to log in.
The assistant driver has not been installed sucessfully. With MC powered firstly, USB cable connected, then install the driver.
Please calibrate your transmitter sticks and then restart MC.
Please refer detailed instructions in the manual. Start software to check if the control stick on your transmitter can reach the full range, directions are correct or not. Please unplug USB when you do the testing.
Default parameters are 100% normally, but it can be adjusted according to actual flight conditions and different control feeling.
Connect switch channel to U channel of MC, use Trim menu to adjust 2nd switch to Atti. Mode, use End Point to adjust 1st and 3rd switch for Manual mode and GPS mode.
Make sure all channels of your transmitter include Fail-Safe, adjust any one of the 3 switch control modes to Fail Safe mode, then record the position value in Fail Safe of your Tx. After that, switch to other control mode and turn off the transmitter, assistant software show it jumps into Fail Safe mode and meantime LED shows blue ligh, setup is done.
Very important to match Props and motors to get good flight performance. 900KV motor matching 8-10 inches Props are recommended.
Connect MC with software to check what problem is and then find out a corresponding solutions.
MC has to be installed close to C.G. No need any damping, just use 3M double-side sticker.
Set your model type as Airplane.
Yes, it does.
Adjust vertical gain, use defaul throttle curve and 50% throttle for hovering.

Configuration error, this may cause by firmware upgrade from the old version, or abnormal Tx calibration. Re-calibrate your transmitter, power cycle your controller, and check all of the parameters.


Voltage low


Your S/N is not available, Please contact your dealer. (Place of purchase)


Voltage low


IMU ERROR,Please contact dealer. (Place of purchase)


You’ve chose parameters tuning by X1/X2 channel with Tx Knob, but no signal detected on X1/X2 input channel, or Tx didn’t powered on.


You’ve chose parameters tuning by X1/X2 channel with Tx Knob, but no signal detected on X1/X2 input channel, or Tx didn’t powered on.


Please check the connection among battery, MC and PMU.


Please make sure you are on the RC page of the NAZA Assistant Software, select the right receiver type or check the receiver connection, after that power cycle your controller to take effect.


Compass data is abnormal, please restart your Controller, if you still get this error, please contact your dealer (Place of purchase).

ERROR [25]

IMU initialization failure, may be caused by crash. Please contact dealer (Place of purchase).

ERROR [26]

Please perform Advanced Calibration.

ERROR [27]

GPS not calibrated, or magnetic field interference. Please calibrate GPS again in good condition. Please contact your dealer for all technical support questions.

  1. Some of the users who use WINDOWS 7 operating system may not have the usbser.sys file, please download this file and put it into C: \ WINDOWS \ system32 \ drivers, and then reinstall the driver.
  2. Download the usbser.sys file.