Opentherm wrong measurements

For OpenTherm-gateway related questions in Domoticz

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dizzeenl
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Joined: Wednesday 14 November 2018 23:57
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Opentherm wrong measurements

Post by dizzeenl »

For some reason my Opentherm gives periodic misreadings and sends them to my domoticz system.
within my dzvents scripts to control radiators i ingnore values below 10 when reading my thermostat temperature of the livingroom.

Is this a known issue?
is it possible to fix this within domoticz?

see attached image
misreading.png
misreading.png (199.75 KiB) Viewed 1397 times
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waltervl
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Domoticz version: 2024.7
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Re: Opentherm wrong measurements

Post by waltervl »

No, this is an Opentherm issue. Did you ask Opentherm Gateway if you can prevent these misreadings?
Domoticz running on Udoo X86 (on Ubuntu)
Devices/plugins: ZigbeeforDomoticz (with Xiaomi, Ikea, Tuya devices), Nefit Easy, Midea Airco, Omnik Solar, Goodwe Solar
dizzeenl
Posts: 31
Joined: Wednesday 14 November 2018 23:57
Target OS: Raspberry Pi / ODroid
Domoticz version:
Location: Dordrecht
Contact:

Re: Opentherm wrong measurements

Post by dizzeenl »

i will do ;)
willemd
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Re: Opentherm wrong measurements

Post by willemd »

dizzeenl wrote: Tuesday 05 December 2023 8:45 For some reason my Opentherm gives periodic misreadings and sends them to my domoticz system.
within my dzvents scripts to control radiators i ingnore values below 10 when reading my thermostat temperature of the livingroom.

Is this a known issue?
is it possible to fix this within domoticz?

see attached image misreading.png
Could also be an issue in the thermostat, instead of Opentherm gateway.
Striking that it is a very regular pattern, every hour, but then some periods during the day no issue.
Every day the same pattern?
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