Domoticz Community Forum - Support & Discussion

I am running the latest version of Domoticz on a pi, mosquitto (Docker) is on the same pi as well as zigbee2mqtt (Docker). I have 2 new zigbee irrigation devices, SonOff SWF-ZFU, it attaches to zigbee2mqtt fine and Domoticz creates the devices fine as well. When the irrigation devices are turned on, after about 5 minutes the irrigation devices sent out a real_time_irrigation_volume. Which can be seen in zigbee2mqtt, mqtt explorer and in the Domoticz device (real_time_irrigation_volume). All looks OK.

However the following day, there is a negative value of exact the same amount in the Domoticz chart and, after checking, in the Domoticz database. There is NO sign that zigbee2mqtt or mosquitto sent this value. I monitored the mqtt traffic using mqtt explorer and no negative values were sent through mosquitto.

I repeated this several times through several days to be sure of the issue.

My question is: why is Domoticz doing this? What am I doing wrong? Can this be fixed?

For a counter Domoticz expects a rolling counter. Not a counter that daily resets to 0. So when zigbee2mqtt sends 0 the next day Domoticz interpretents that as a negative counter value.

Perhaps create a GitHub issue for MQTT Auto Discovery with the config topic so a proper Domoticz device will be created (Custom sensor?). Follow these instructions https://wiki.domoticz.com/MQTT_AD_Report_Problems

Yep, create a Github issue following the guidelines of the above wiki.
Maybe there a field that we can use for this added in the config.

Does the counter reset all the time?

It does reset to zero at 12:05 and it seems that Domoticz interprets it as a negative number.

dpcreel wrote: Sunday 30 August 2026 18:33 It does reset to zero at 12:05 and it seems that Domoticz interprets it as a negative number.

Yes, I tried to explain that. Please make a GitHub issue with the requested information so it can be fixed.

Thanks for your help, your time is greatly appreciated. As soon as I get a chance, I'll file something with the link you sent. Have a great day!