Hello, Im not from Germany and I noticed that this is only active community for Viessman , hopefully someone had similar issues and could help. I have new Vitodens 100-w gas burner with Vitotrol 200-e thermostat which is having issues. Thermostat is constantly rebooting (daily) when i press any button. It looks like it was freezed and not sending correct temp to burner. From time to time also screen goes totally black and i need to reboot whole gas burger to get it working back. Did someone have similar issues ? I already recieved new thermostat from Viessmann but issue is still there. Regards, J
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