Turn on the air conditioner and it turns off automatically one hour later. I didn’t operate it
Why does ha send null data to the bus in an hour, causing my air conditioner to shut down automatically
Hi 
!
HA tries to read GAs that haven’t received anything for 1 hour. So it sends a GroupValueRead.
The thing turning off your air conditioners are the answers to that. GroupValueResponse with data: 0 from 1.1.2
Try to find out why 1.1.2 responds with an incorrect value.
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thankyou, I konw,
I didn’t install the air conditioner actuator, but only the air conditioner switch, so the switch can’t feed back the value, right?
I don’t know what the difference is (from a knx perspective) between your switch and AC actuator.
Do you have an ETS license and the project file? Then you could look up what device 1.1.2 is - and if there are any flags set wrongly.
Imho the response should only be sent from the AC actuator.