![I have a Vaillant 835 ecomax with code S28 the heating will not come on and there is not hot water, any thoughts I have a Vaillant 835 ecomax with code S28 the heating will not come on and there is not hot water, any thoughts](https://f01.justanswer.com/JACUSTOMERdxziwef8/2012-02-19_184914_stockport-20120219-00098.jpg)
I have a Vaillant 835 ecomax with code S28 the heating will not come on and there is not hot water, any thoughts
![Max Hardy on Twitter: "Why is there a top hat and ladder symbol on my boiler? Am I supposed to change into White Tie before touching it? https://t.co/fNZAswCMrf" / Twitter Max Hardy on Twitter: "Why is there a top hat and ladder symbol on my boiler? Am I supposed to change into White Tie before touching it? https://t.co/fNZAswCMrf" / Twitter](https://pbs.twimg.com/media/C7GxcsHXwAAJeHx.jpg)
Max Hardy on Twitter: "Why is there a top hat and ladder symbol on my boiler? Am I supposed to change into White Tie before touching it? https://t.co/fNZAswCMrf" / Twitter
![Vaillant Boiler keeps turning on and off - flashing timer -> solid radiator -> flashing radiator | DIYnot Forums Vaillant Boiler keeps turning on and off - flashing timer -> solid radiator -> flashing radiator | DIYnot Forums](https://us.v-cdn.net/6031891/uploads/editor/ld/1votdn1d9pm3.png)
Vaillant Boiler keeps turning on and off - flashing timer -> solid radiator -> flashing radiator | DIYnot Forums
![Operating instructions. For the operator. Operating instructions. ecotec plus. Gas-fired wall hung high efficiency boiler GB, IE - PDF Free Download Operating instructions. For the operator. Operating instructions. ecotec plus. Gas-fired wall hung high efficiency boiler GB, IE - PDF Free Download](https://docplayer.net/docs-images/44/19041951/images/page_10.jpg)