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If anyone else interested in acquiring board, please feel free to contact me via private message.

It’s jumper. It needed for onboard programming PIC.

Hi, Seb! But it's not 3D printed. It's OPIZ enclosure from manufacturer: https://aliexpress.ru/item/32781094571.html?_ga=2.63275885.356821372.1639901018-1787005654.1636443889&_gac=1.187732186.1639594680.Cj0KCQiAweaNBhDEARIsAJ5hwbcscCIX_YYl_4ypr0GOFnFTjS_Uv7afgqOB4UH6UVK3cak1hYDum0saArjPEALw_wcB&...

For those, who considering for use this expansion board. Because of chip shortages Orange Pi Zero H2+ and LTS temporarily unavailable. Please, choose substitute Orange Pi Zero H3 board.

Sometimes I see issues with cloudmqtt database. Try to reset DB in details webpage of the cloudmqtt. After that you have to manually set remote override room setpoint via otmonitor. One time at least.

In worst case, you can damage your boiler.

What is boiler name?

Obviuosly, your boiler is not in the equipment matrix http://otgw.tclcode.com/matrix.cgi
Your boiler have Opentherm? If yes, you can try to use OTGW board, but nobody can promise what it will work.

To check otmonitor is working you can periodically run script like this: #!/bin/sh TEST_LOG="$(($(date +%s) - $(date -r /etc/otmonitor/otlog.txt +%s)))" if [ "$TEST_LOG" -lt 300 ]; then logger "LOG OK" else logger "LOG IS DEAD" reboot && exit fi It reb...

Nor this board nor original OTGW cannot working this way.

Overall, I presume, even if you try to turn back to original OTGW board, you cannot solve your issue. Obviously, this problem occurs after you install new thermostat, so... source of the problem - new thermostat. If you turn to ''Thermostat compatibility'' topic of this forum, you can see that all t...

Hi! It looks like OTGW receives this values from thermostat. Try to change mode of the otmonitor to monitor mode, so OTGW will no affects to transmisson between thermostat and boiler.

Hi, Annope! It's very strange behavior. Can you show otmonitor log file? Also is there errors in otmonitor?

You can install OTmonitor separately. Download otmonitor from otgw.tclcode.com: wget http://otgw.tclcode.com/download/otmonitor-ahf change permissions: chmod a+x otmonitor and create symlink: sudo ln -s /lib/ld-linux-armhf.so.3 /lib/ld-linux.so.3 Create config file: web { enable true port 8080 nopas...

Tnank you!