Huawei Scale 3 User Manual page 5

Getting started
LED Indicators and Display Description
Bluetooth icon, which flashes to show the device is ready
for Bluetooth pairing.
If this icon's light is solid, the Bluetooth pairing is
successful.
A scale update is in progress.
The scale update completed successfully.
Low battery.
Overweight.
Body fat percentage measurement failed.
Firmware update failed.
3