Status indications

GCT 30-42: LED status indicator (user interface) (2)

Meaning/cause

Solution

Blue

  • Connection is established

or

  • Data is being transmitted

–

Green

  • Connection established
  • Coin cell sufficiently charged

–

Yellow

  • Coin cell nearly empty

Change coin cell soon

Red

  • Connection not established

or

  • Coin cell empty
  • Restart the connection attempt

or

  • Change the coin cell