Hydro-Logic
®
Flexi Logger 100
User Manual
6 April 2018
Page 14 of 62
Status LED flash patterns
The Hydro-Logic
®
Flexi Logger 100 is fitted with a status LED in the centre of the
connector cap. The status of the logger is shown by the colour and flash
sequence.
Regular flashes are 2s apart, unless
specified
Regular blue: modem off, normal
logging
Yellow flash: dial-out button pressed
Rapid blue flashes: modem switching on
Purple flashes: internal/external
antenna selection
Irregular green: logger sending
commands to modem (not data)
Blue/red regular: modem on but no
signal or unable to register
Double blue regular: modem on and
registered with network
Blue-red-blue regular: alarm present,
but not registered on network
Triple blue regular: alarm present,
registered on network, dialling out
Solid blue: comms active, waiting to
receive
Solid blue with red flashes: transmitting
data
Single short red: digital input pulse
Single long green: logger switch-on or
comms time-out.
Single long red: logger switch-off
Regular green every 10s: logger is
running bootloader, waiting for firmware