Problem
Cause
Distance between Gateway
and sub-device too large .
Walls or obstacles between
Gateway and sub-device .
Sub-device
Battery/Batteries of the sub-
cannot be
device flat .
controlled .
Sub-device not connected to
the mains
{Device
switched off .
34 GB/IE/NI/MT/CY
Offline}: Sub-device
Solution
Re-position Gateway or sub-device .
Trigger the sub-device .
Replace battery/batteries .
Connect the sub-device to a socket-outlet .
Switch on sub-device .