CoreのLEDの色や点滅にはそれぞれ意味があります。

くわしくはこちらをご確認ください。

https://viviware.com/support/usage/hardware/leddisplaypatterns

Each color and blinking LED on Core has its own meaning.

For more details:

https://viviware.com/support/usage/hardware/leddisplaypatterns