Thermostat Modular with Viessmann Vitodens 0-50W
I need a support because my Relay was constantly blinking with green lights. After launching Thermostat it tried to connect to Relay and after few moments it could but when I wanted add my Relay to Home + Control App it lost connectivity and stopped working. The LED display isn't working although the button below the relay works, and I hear clipping but no LED. I don't know did it stoped working suddenly? Does that Thermostat works with Vitodens 0-50W B0KA-25 ? I saw in your page it does that why I purchased thet modular thermostat but it seems something isn't working. And how to take off the power cable from relay when I want to configure it using my laptop? After I stuck it I'm not able to took it off. Seriously?! I need real support here.
After managing somehow to connect that relay with Thermostat to Home + Control app I notice that my Viessmann Vitodens 050-W B0KA-25 has issue icon on the panel. After checking the code it says: 95 which mean lack of the OpenTherm communication. Please need an assistance with it. It's urgent.
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Maybe this video will help you.
https://youtu.be/7TJ_yPu_fkM?si=ajn35UjK37Q0zdC2
Did that also and I used multimeter to check voltage. Appeared that I have OT on the right of those white box not on the left like im the Allen movie. But doesn't matter still 95 exists. Waiting for Netatmo response as the relay is probably damaged. No Voltage on the powered relay when checking those to wires (black/grey)
Black/Grey never carry any current. Those two only get bridged together internally when the Relais switches on (analog installment). And they are also for data communication (OpenTherm).
Doesn't matter. The problem is that there is lack of communication (code 95) with remote OpenTherm controller which is the Netatmo Relay. So I'm waiting for support or anyone to take care of it as I bought this solution and can't use it obviously. So I don't want to have any discussion about the problem, I described it and I want to have it resolved as I already put $ for it.
I hope they get back to you soon 👍
Unfortunately they don't rush about it. I appriciate your help but I made all steps that are required and code speaks for itself. Relay has to be damaged.
btw @GEORGzer how to check tickets? Because I cannot find any reference to tickets I created to support. Still no one answered
I don’t think there is a way.
They will be on holiday break I suppose, but should be back soon.
And have you any idea when anyone will be back it looks like no one answering over a weak
I‘d guess starting Jan. 6th, Paris Timezone. But I have no official information on that, sorry.
It's starting to be annoying. No one replied even today
This the official mail with ticket number. 6 Days ago I also created a ticket in different category and on person replied
Advised me to make request instead of contacting Customer Service, But from CS someone replied. No they literally don't give a shit..
And I'm writing to them and nothing
Exactly same issue here after replacing my old boiler.
Netatmo was working fine on the old one and in Vitodens I am getting 95 error code.
The Support informed to make a test to check what is the reason and where is the issue here
Thanks for the update. Tomorrow boiler engineer will check.
In the meanwhile I have found the probable root cause: My netatmo thermostat is the old model which is not able to modulate the temperature.
The question I have now is what are the port for dry contact to put the link to test.
Check that with multimeter.
Mine OT, I'm pretty sure, is on the right here and the technical picture from manual if you look carefully shows the same although on YouTube there is a clip from Alex who had connectivity on those from left side. It's very possible to mix those things during the boiler assembly So I wasn't surprised. I also checked those pins with multimeter and those on right which you see on the picture indicate 23,4V and those on left 0.3V so for me it was pretty clear.
BUT the support just wrote me back and said:
So I informed them about the Voltage and I doubt that this is the case here besides I made all possible variations of connecting wires to those pins earlier and none of them worked.
those tests are useless.. and support responds after few days. Seriously I think that Netatmo isn't capable of helping or didn't even tested their Modular Thermostats Relay's with new Vitodens condensing boilers. I'm so frustrated with such useless support. There is no phone number, no call center to call, nothing.
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