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Vitoligno 300-C (VL3C, Pelletkessel) über Optolink USB in Home Assistant

Status: Open.

#155 In openv/vcontrold;

· vonkatanaer-beep opened on Apr 2, 2026

vcontrold am Home Assistant OS mit Viessmann WO1C – keine Verbindung über Optolink (CP2102)

Status: Open.

#153 In openv/vcontrold;

· 4rmct5zhf4-maker opened on Oct 19, 2025

vcontrold suddenly stops working

Status: Open.

#152 In openv/vcontrold;

· lytenyn opened on Sep 29, 2025

setTempWWsoll does not responde

Status: Open.

#151 In openv/vcontrold;

· Olit2 opened on Jun 2, 2025

Suche die XML für eine Vitodens 200-W

Status: Open.

#146 In openv/vcontrold;

· Vinshi01 opened on Jan 23, 2025

How to use the RAW mode

Status: Open.

#145 In openv/vcontrold;

· Phil1pp opened on Jan 3, 2025

setTimerM1* over mqtt not working - parsing error?

Status: Open.

#144 In openv/vcontrold;

· SaulGoodman1337 opened on Dec 25, 2024

Connectivity via OPTO2 cable on RPI4 Lost in troubleshooting

Status: Open.

#142 In openv/vcontrold;

· mol7os opened on Sep 12, 2024

vcontrold seems to crash if it receives a signal at the same time a request is processed

Status: Open.

#141 In openv/vcontrold;

· l3u opened on Jul 10, 2024

Vitocal 222-s, microUSB Optolink Adapter, vcontrold, vclient - Error states readout

Status: Open.

#140 In openv/vcontrold;

· Jusufs opened on Jan 23, 2024

Wrong Unit Type for getTempPartyM1 and similiar commands?

Status: Open.

#139 In openv/vcontrold;

· DerLandv0gt opened on Jan 22, 2024

vito.xml for VITOPEND 100 (GWG_BT)

Status: Open.

#138 In openv/vcontrold;

· Bascht74 opened on Jan 8, 2024