this post was submitted on 01 Jun 2025
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Devices continuously dropping off my ZigBee network (lemm.ee)
submitted 3 days ago by MrKurtz@lemm.ee to c/homeassistant@lemmy.world
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I recently setup my ZigBee network in Home Assistant, using a Conbee III with deConz on my Synology NAS.

I purchased a few Aqara Temperature sensors and a couple of Mini Switches.

I was able to get them to pair just fine, but they won't remain online for more than a couple days. They then drop off and I can't even reconnect them easily. I need to try to pair them again like 10 times before they come back online.

At this point I don't know if the problem is my network, the Conbee III, deConz, or the Aqara devices.

I don't know much about ZigBee, but a couple things that I tried so far were:

  1. Use a USB extender instead of connecting the Conbee III directly to my NAS.
  2. Bring the devices as close a possible to the gateway. I don't have a big home, so I don't think distance is a factor here, but still, I put of the sensors right next to the gateway, and it would still drop after a while.

Do you have any hints on things to try to get this fixed, or at least identify the problem?

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[โ€“] mhzawadi@lemmy.horwood.cloud 6 points 3 days ago (1 children)

Yes would agree, more mains powered devices can help with network range

[โ€“] Dragomus@lemmy.world 4 points 3 days ago

^This ...

I have seen a few places now where devices drop randomly if they're two "hops" over from a gateway. It always appears to be that the missing device thinks it is meshed in but the device it meshes with is saying nah, too far I can't understand you. Adding a mains powered zigbee gateway or device solves it promptly.