While you wait for answers, we may have found some information which could help you.
Click here for Heating Override Receiver
I cannot locate my Siemens receiver?
How do i stop the time from flashing on the Siemens RDJ100RF?
Siemens RDJ10RF thermostat problem?
red flashing button siemens RCRIO/433?
Have I got got a faulty programmer?
Siemens brtrf keep LOSING connection?