It was this one I was confused about ----------------------------------------------------------------------------------------------- -- 3. A virtual switch to tun on and off the heating (On/Off Switch ...

Ah that may explain it :-) I suspect my setup maybe one of the 'edge cases' (I always seem to be a bit odd...) but I thought I'd followed all the instructions. I do have a virtual switch (but not sure how or what it's used for). I think need to read the code in a bit more detail. Thanks for taking ...

So, been having a go at trying to get v0.4.1 to work but getting some errors in the log file. It's probably me not RTFM-ing but if anyone could help..... 2015-12-04 09:41:00.413 Error: EventSystem: /home/pi/domoticz/scripts/lua/script_time_heating-0.1.lua:165: attempt to index global 'devicechanged ...