Ikea Tradfri Open/Close Remote (E1766) offline control of Fytur blinds?

Configuration Zigbee
1

I would like to have my Fytur blinds controllable via Home Assistant but also via the Tradfri open/close remotes I have. I need for the remote controls to work if Home Assistant is offline. Do they support “direct binding” (not sure if that’s the correct term) - in other words, can the remote communicate with the blinds directly? Or can it only be controlled through a coordinator?

The blinds are firmware “0x24040013” (24.4.13) and the remotes are firmware “0x24040006” 24.4.6. I’ve read that with the remote firmware they no longer support group bindings and only support direct binding, though I’m not really clear on what the implications of that are. I have used ZHA to set up the device binds (and used zha_toolkit.binds_get to confirm) and can control the blinds but only when Home Assistant is online. If I shut down Home Assistant the remotes no longer control the blinds.

Am I missing something or does the desired functionality not exist? If I was to downgrade the remote firmware to the older version that allowed group binding would that enable the desired functionality?

2

well I decided to give Zigbee2MQTT a try, so I removed all my zigbee devices in the ZHA intergration, removed the ZHA intergration, then installed the Zigbee2MQTT Add-On. I first added an ikea signal repeater, then the blinds, then the open/close remote. Then on the open/close remote’s page within the Z2M add-on web UI, on the bindings tab, I set a new binding with source = 1, destination = my blinds, and clusters = Closures. Hit the bind button and could now control the blinds with the remote. Shut down Home Assistant VM and could still control the blinds. So I guess it was really that simple…and ZHA sucks lol…can’t believe I wasted a whole day troubleshooting in ZHA when I got it working as intended in 15minutes with Z2M