Search found 5 matches

by Koarl3
Thu Sep 14, 2023 12:50 pm
Forum: Opentherm Gateway Forum
Topic: no connection with thermostat
Replies: 8
Views: 2011

Re: no connection with thermostat

yes of course, this thermostat is working without any problems when it is directly connected.
After some research in the internet with the product number (see attachment) you are probably right. Its a BrainQ.
Is this a show stopper?

Thank you very much!
by Koarl3
Tue Sep 12, 2023 7:34 pm
Forum: Opentherm Gateway Forum
Topic: no connection with thermostat
Replies: 8
Views: 2011

Re: no connection with thermostat

ok here is the result of Test #3 without the thermostat connected and default voltage level (3) Enter test number: 3 512,1013,1022,1025,514,503,513,501,513,502,513,502,513,502,515,502,514,502,513,501,1020,502,514,1009,513,501,1020,1012,512,502,513,502,1020,502,513,1009,1021,501,513,1011,513,502,513,...
by Koarl3
Sat Sep 09, 2023 12:14 pm
Forum: Opentherm Gateway Forum
Topic: no connection with thermostat
Replies: 8
Views: 2011

Re: no connection with thermostat

OK, without the thermostat everything works fine after an cold start of the boiler. The monitoring software gets data like outside temperature etc... Playing with the reference voltage does not make a big difference. At the moment of connecting the thermostat the communication is gone. Also after an...
by Koarl3
Mon Sep 04, 2023 9:19 pm
Forum: Opentherm Gateway Forum
Topic: no connection with thermostat
Replies: 8
Views: 2011

Re: no connection with thermostat

Ok i'm very sorry, maybe I'll do better now than the boiler :-) I'm one step further now. The thermostat turns on and off continuous (and shows nothing on the screen) and after playing with the voltage the log shows error 1 and 3 alternately. (see attachments) btw. there is unhappily no information ...
by Koarl3
Mon Sep 04, 2023 4:21 pm
Forum: Opentherm Gateway Forum
Topic: no connection with thermostat
Replies: 8
Views: 2011

no connection with thermostat

Hello, I hope this is not a stupid beginner problem :-) I've bought the OTGW Kit from Nodo Shop, it poweres on and also the Ethernet Module works fine. The B-LED flashs periodically and the Monitoring Software can connect to the Gateway. After connecting the Boiler i can see some communication in th...

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