Tunstall Lifeline Digital User Manual page 20

System warning indications
Red LED flashing x1
Red LED flashing x2
Red LED flashing x3
Red LED flashing x4
Red LED flashing x5
Feature must be enabled.
3
Note that if several error conditions are present they are presented sequentially with a 2 second pause
4
between indications. For example, two consecutive flashes followed by a pause and three consecutive
flashes indicates that there is a mains failure and that the battery is low
/ Status
3 4
Ethernet failure
Mains power failure
Backup battery low
Cellular modem failure
Radio failure/interference