Search results

Thanks for your responses. @ bengasman: It appears that my room stat is having no effect whatsoever after having turned it as low as it will go. Could this be part of the problem? @ Azazel: As for the fitting of the controller, well it was wired up for me at the time the system was...

I have a serious problem somewhere in my central heating. This morning at around 04:00am I awoke to find both my heating and hot water switched on. I went to look at the controller - a Sunvic XL 207 - and sure enough both red lights were on. The digital display however is completely blank. There...