Hi I found solution. On other forum I found that there is a problem with Viessman boilers. That after some time you cannot change MAX CH Water SetPoint bigger that is in such moment. You can only lower it down. And in such situation you have to reset your boiler and after reset you should send a ...

Hi I'm using OTGW with my Vitodens 050-W for a few days. Everything was ok, but one day something happens. When I want change "Max CH water SetPoint" I get "BV (Bad Value)" Error. Here are my logs: 2022-02-14 19:30:36.363 Status: Vitodens 050-W: Setting Max CH water SetPoint to: 37.0 2022-02-14 19 ...