siemans rdj10rf not working?

if no display on unit
the first thing to check is the batteries
if you dont know where the batteries are located try looking in user guide
if you dont have a user guide follow this link
http://www.industry.siemens.co.uk/buildingtechnologies/uk/en/building-automation/residential-controls/documentation/Documents/RDJ10_1.pdf
if after changing batteries display is still blank
you need new unit which will require rebinding to the existing reciever unit

manwithnoname
April 2012