Broadlink RM3 suddenly stopped working

Hello Folks,
I had multiple broadlink universal remotes that were integrated perfectly for over a year with home assistant and can trigger any remote button. Until about a week a so, the buttons stopped working without any changes just regular HA updates.

I used to call switches to trigger the RM3 device but currently the following error is showing “Entity not available: switch.bedroomac”

Below are the configurations file sample

 - platform: broadlink
    host: 192.168.8.161
    mac: '34:DF:A7:37:C0:a1'
    switches:
      acon:
        friendly_name: "AC On"
        command_on: "JgDKAIuOEzMTERMzEzMTEBMQEzMTEBMREzMTEBMQEzMTMxMQEzMUMxMQExATMxMzEzMTNBMzExATMxMzExATERMQExATEBMzEzMTERIQExATERMQExATEBMQEzMTMxMzFDMTMxMzE6iRjhMzExETMxMzExATEBMzExATEBM0ExATEBMzEzMTEBMzEzQTEBMQEzMTMxMzEzMUMxMQEzMTMxMQExATEBMQExETMxMzExATEBMQExATEBMQExETEBMzEzMTMxMzEzMUMxMADQUAAAAAAAAAAAAAAAAAAA=="
        command_off: "JgDKAIyOEzMTEBMzEzMTEBMREzMTEBMQEzMTEBMQEzMTNBMQEzMTEBMzEzMTNBMzExATMxMzEzMTEBMRExATEBMzExATEBMzEzMTNBMQExATEBMQExATEBMQExATNBMzEzMTMxMzE6mQjhM0EhETMxMzExATEBMzExATEBM0ExATEBMzEzMTEBMzExATNBMzEzMTMxMQEzMTNBMzExATEBMQExATMxMQExATNBMzEzMTEBMQExATEBMQExATERIREzMTMxMzEzMTMxMADQUAAAAAAAAAAAAAAAAAAA=="

Side notes:
All devices stopped working with HA while they are working normally using their native apps IHC and broadlink apps.

any idea ?

I have a similar issue with a Broadlink RM4 mini. It worked flawlessly for a while, then started to show up as “not available”. Interestingly, 3 other RM4 mini still work fine. I found that as a temporary fix, restarting HA makes the problematic one show up again. However, it will become unavailable again after some time. I can ping the device and it also shows up in the Broadlink app with temp/humidity data, so I don’t think it’s a network issue.