Cannot set parameter 81 (LED Behaviour on Alarms) for Aeotec Multisensor 6

I’m trying to turn of the blinking LED on movement on some of my Aeotec Multisensor 6’s (in bedrooms, as it’s a bit annoying at night). I can change that parameter to “No” in Homey, but it has zero effect. I’ve tried it on multiple sensors.

Any ideas?

All my multisensors are USB powered, so there should be no need to wake them up before changing parameters.

Getting this to work was no problem with my previous smart home system (Futurehome).

If changing a setting doesn’t have any effect, I think you’d contact the app developer. You can find contact info at the bottom of the homey.app store page of the Aeotec app.