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ヴァンーデアーウェルフ
Community Member
since ‎10-01-2022
‎10-05-2022

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  • 2 Posts
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Faulty heatlink?

10-01-2022
I wanted to change my nest connectivity from on/off to opentherm (my burner accepts opentherm). Connected all the wires correctly, but got H73; no opentherm found. Now, even when I unplug the power supply of the heatlink, but leave OT1 and OT2 connec...