Boiler was out of order(indicated error code 10). I realized this at 4 am in the dawn. So I waited and 6:30 texted to host that boiler was not working. no answer, ok I understand it is so early. 8 am I pushed door bell to host. until this I have no problem. It can happen.
However the amazing thing is that she came to the house and fixed it just in 20 seconds which means it happended a lot and she knew this and is very used to. I got very angry that she didn’t let me know in advance. It was below zero degree and very cold and not so general in March.
Others ok.