Buderus WLW186i BC400 Remote Thermostat Error

[unbekannt3]

Hi,
I recently got a Buderus WLW186i heat pump with a BC400 thermostat + MX400 LAN Module installed at my place. I have now created a remote thermostat as RC220/RT800 via EMS-ESP, and the temperature and humidity values are being set correctly by HA and the dew point is being calculated by EMS-ESP as expected.

However, as soon as this is active, the BC400 and the useless myBuderus app always display the error "3111 - Falsche Fernbedienung" / wrong remote. So it works in the background but is there any way to get rid of the error?

I'm on latest dev build 3.7.3-dev.17 with an E32v2 GW

[proddy]

I have no idea why this is happening, sorry.

[unbekannt3]

Hmm guess i have to live with the error then :D
Anyway thanks for your effort with this great software :)

[MichaelDvP]

I don't think it working with this error. Check if main thermostat publishes the roomtemp from the remote. Otherwise the roomtemp is not taken for control.
We can only add/fix remote thermostats if we have a log of a real remote thermostat. Sadly Bosch changes the options and protocol sometimes with new firmware and the emulation does not work on these main thermostats. Bosch likes to sell thermostats, i understand that they don't like the remote emulation in ems-esp.

[unbekannt3]

It actually displays the set temperature and humidity both in Homeassistant and the myBuderus App if reconnect the MX400, plus the HP also responds in some way to changes in temperature, which is why I said that it currently works. But of course Bosch would rather sell its overpriced sensors with fancy plastic casings :D