Huawei 5G CPE Pro Quick Start Manual page 6

The indicators will turn on when the router has successfully
connected to a network.
5G signal indicator
4G signal indicator
If both the 5G signal indicator and 4G signal indicator
are off, it indicates there is no network connection.
Please refer to the FAQs in this guide.
Green: Strong.
Yellow: Moderate.
Red: Weak.
Green: Strong.
Yellow: Moderate.
Red: Weak.
4