indicator light status
The Gravio logo on the Gravio Hub lights up in various colors and patterns to indicate the following
| LED | Staus | Comment |
|---|---|---|
| Blue | When first started up out of the box | Access Point Mode |
| White | After Wifi setup or wired LAN connection | Normal Mode |
| Flashing green | At initialization of Docker | This process takes about 2 minutes |
| Flashing green for 5 seconds | Finished setting of Docker | |
| Flashing red for 5 seconds | Docker initialization error | |
| Blue | Initialize Wifi information and return to access point mode | Hold the button down for 3 seconds to enter this state. |
| Yellow | Prepare to stop power supply | Holding the button for 5-6 seconds, the Gravio Hub will be ready to stop. |
| Red | Power off | If the button is held down for more than 7 seconds, the Gravio Hub will stop powering |
| Red and white alternating 4x | Cannot connect to NTP server | log into the hub with SSH and docker-compose down, Check your internet connectivity, for example using ifconfig or ping, then docker-compose up -d . |
button operation
initialize Wifi information and return to access point mode
Hold the button for 3 seconds to initialize Wifi information and return to access point mode
prepare to power off
Press and hold the button for 5-6 seconds to prepare the Gravio Hub for deactivation
power off
Holding the button down for more than 7 seconds will power off the Gravio Hub
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