How many devices do you have connected? I have about 41 devices connected to a Conbee II but used to have them on a Sonoff CC2531. Both are able to handle them all.
OMG. I only have 8 leak detectors and two repeaters. So most probably thatâs not the case. I am really lost now 
Donât know where to start getting hold of this!!!
Try the zigbee2mqtt addon to confirm the remote works as expected. To do this, you need to remove the zha first.
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Thatâs what I have to do, probably. I am still confused whatâs different in my setup for it not to work. This has to wait as it needs some time which I donât have now!
Thank you very much for all the help youâve provided so far.
I think I know whatâs happening. See below. None of the clusters are not binding or registering. Would you be able to check one for me? I got this by clicking reconfigure device link on the device page and show details link. For some reason, the remote keeps binding to the TRADFRI repeater no matter how close I keep it to Sonoff CC 2531 stick.
Did you ever get this working? I am having the exact same problem using the Sonoff CC 2531 stick and not being able to get the Tradfri remote working/cant see any events
Sadly, No. I am going to replace the ZigBee stick as it is not recommended for ZHA.
Ok I was hoping I wouldnât have to do that but I guess i will. At least I didnt waste a lot of money on it!
I had the same problem as yours, the problem and its cheap solution, at least if you have a Raspberry Pi and a soldering iron, are described in this video, IKEA Zigbee remotes - upgrading CC2531 firmware and in this blog post, Flashing CC2531 without CC Debugger. My CC2531 USB Dongle worked like a charm after the upgrade, at first I used it with Zigbee2MQTT but now Iâm using ZHA.
I can confirm that this also worked for me. Not right away though, I had to add the remote control several times without removing it.