Event and state notifications

You may receive notifications from NAO system or from an application.

In that case, a small sound is played and the status LEDs remain still white but blink once in a while with a colour indicating the severity of the notification.

Status LEDs is ... Description

white_chest

Steady White light,

cut by a brief

blinking in ...

green_chest Green NAO gives you some feed-back by an Info notification about an ongoing action.
yellow_chest Yellow

Warning notification occurs when an issue requires your attention and/or action.

NAO is still usable but, it may either run in a degraded mode in which some features may be not available or it may soon become unusable if you don’t solve the problem.

red_chest Red

Error notification occurs when one or all functionality(ies) of NAO become unusable.

Try to solve the problem using the tips. If the problem persists, contact the customer support and provide them with the error ID. For further details, see: Contacting customer support for NAO.

Download a printable version: Status LEDs - Cheat sheet.

To ask NAO to read the notification, see: Requesting technical information.

List of notifications

Boot process

# Message Tips Type
10 I canceled my system update. The system image was invalid. I am still running version <x.y.z>. The file containing the system image seems unusable, try again to retrieve the relevant system file. red_chest
11 I canceled my system update. The system image was invalid. I am still running version <x.y.z>.
100

I successfully updated my system.

I am now running version <x.y.z>.

  green_chest
101

I canceled my system update. The system image was not compatible with my upgrade program.

I am still running version <x.y.z>.

The system image is not compatible with the head.

Check what system image version supports your robot version and retry with one of the supported system image version.

red_chest
102 I canceled my system update. The system image was not compatible with my processor. I am still running version <x.y.z>.

The system image is not compatible with the head hardware.

Check your head version and retry with a compatible system image.

red_chest
103 I canceled my system update. The system image was not compatible with my body. I am still running version <x.y.z>.
104 I canceled my system update. The system image was corrupted. I am still running version <x.y.z>. The system image you try to update to is corrupted. Try downloading it again then restart the update process. red_chest
105 I canceled my system update. My current system seems corrupted. I am still running version <x.y.z>. The update program cannot recognize the hardware. Some changes done on the hardware damage it. Contact the support. red_chest
110 I could not update my system.   red_chest
111
120

I successfully completed my factory reset.

All my data and settings have been reset.

  green_chest
200

I couldn’t complete my factory reset.

I may still have some data or settings from before.

Retry the update with factory reset enabled.

If the problem persists, contact the support.

red_chest
201
202
203 I successfully completed my factory reset. All my data and settings have been reset.   green_chest
204

I can’t access some of my data.

My user partition seems corrupted.

The memory space dedicated to the user is not accessible due to some hardware failure.

Try to reboot the robot.

If the problem persists, contact the support.

yellow_chest
205
214

I can’t access some of my data.

My internal partition seems corrupted.

The memory space for internal usage is not accessible due to some hardware failure.

Try to reboot the robot.

If the problem persists, contact the support.

yellow_chest
215
400 I can’t move. My current system is not compatible with my body.

Body hardware incompatibilities.

Check the kind of robot you have, and retry with a compatible system image.

red_chest
401 I can’t move. My current system is way too old for my body. Check the minimal version supporting the body hardware of the robot, and retry with a compatible system image. red_chest
402 I can’t move. My current system is way too recent for my old body. Check the latest version supporting the body hardware of the robot, and retry with a compatible system image. red_chest
403 I could not update all my firmwares.

Something went wrong updating the firmware.

Try to reboot to fix this.

red_chest
404 Body not found.

The head does not find or recognize its body. The robot is unusable.

Try to reboot to fix this.

red_chest
405

I updated some of my firmware.

Please reboot me to finish the update.

Some new firmware has been installed but will not be enabled until a reboot of the robot.

Turn off the robot using the standard procedure, then start it again.

If this warning occurs on every boot, it means:

  • either some hardware is too old and cannot be updated;
  • or some hardware is broken and cannot be updated.

In either case, you should contact the support.

yellow_chest

Diagnosis - NAO

# Message Tips Type
500 I can’t connect to the cloud services. My head identifier is missing. Please contact support.   red_chest
501 I can’t connect to cloud services, My system date is wrong. Make sure your is connected to internet then restart it to update the date yellow_chest
710 I detected an error on <X> of my vital devices: <list of devices>.   red_chest
711 I detected an error on <X> of my devices: <list of devices>.   yellow_chest
712 I detected a system error: one of my software does not run properly.   yellow_chest
720 Some of my motors are getting hot in my <chainName wheel or sensor>. I will need rest soon.

This warning will have an impact on your robot, see Diagnosis effect.

Contact the Aldebaran Robotics support.

yellow_chest
721

A part of my body cannot move anymore. Some of my motors are too hot in my <limbName>.

Please let me rest for a while.

This error will have an impact on your robot, see Diagnosis effect.

Contact the Aldebaran Robotics support.

red_chest
722 I can’t move anymore. Some of my motors are too hot in my <limbName>. Please let me rest for a while. red_chest
730 My head processor is too hot. red_chest
731 My head processor is too hot. Please let me rest for a while. red_chest

Battery

# Message Tips Type
800 I can’t access my battery.   red_chest
801 My battery will soon need charging. The battery level reached 30%. See: Charging the battery. yellow_chest
802 My battery needs urgent charging. The battery level reached 15%. See: Charging the battery. yellow_chest
803 My battery is totally empty. I’m shutting down. The robot ran out of battery so it shut down. See: Charging the battery. red_chest

Managing applications

# Message Tips Type
830 I have installed <Name of the application>.   green_chest
831 I have installed <Number of applications> applications.   green_chest
832 I have updated <Name of the application>.   green_chest
833 I have updated <Number of applications> applications.   green_chest
834 I have removed the application <Name of the application>.   green_chest
835 I have removed <Number of applications> applications.   green_chest
840 I have downloaded system version <X.Y.Z>. Please reboot me to install it.   green_chest