For some time we had the problem that our heating control has shown various error messages. On the weekend we had a visit from a friend who is heating engineer. He has looked at the control and recognized the following error messages: "No communication with control device" and "Boiler 1 to manual mode, although no manual mode was set. Furthermore, the warning lights flashed alternately.
I then yesterday Baur house wrote a mail and described the observation, after which yesterday afternoon customer service Buderus reported and today abmachte an appointment. I call for an immediate processing defects.
Today was then Mr. Watchman of Buderus 2.5 hours for us and has made the following controls:
- replacement of the power module, since it held in troubleshooting voltage fluctuations and voltage drop. The cause was a loose connection in the network module
- replacing the controller module, since this already slightly angeschmorrt smelled. This module puts the MEC, which is the actual control.
- replacement UBA . This is the tax unit, while the control module at the Gas boiler, boiler 1 to manual mode "due to the error message.