Smart Lock U100 Intermittently Offline

I’m experiencing an ongoing issue with my Aqara Smart Door Lock U100 intermittently showing as “No Response” / offline in the Aqara and Apple Home app despite extensive troubleshooting and a stable environment.

Environment Details:

  • Aqara Smart Door Lock U100
  • Aqara Hub M2 (wired Ethernet connection)
  • Distance: ~10 feet between hub and lock, clear line of sight
  • Zigbee Channel: 15
  • PAN ID: 0xFF76
  • Apple Home Hub: Apple TV 4K (always online wired Ethernet)
  • Router: Netgear Orbi (hub is wired, not Wi-Fi)
  • ISP modem has been power-cycled and verified stable

Troubleshooting Already Completed:

  • Restarted Aqara M2 hub multiple times
  • Power-cycled Apple TV 4K, Orbi router system, and ISP modem
  • Replaced U100 batteries with fresh alkaline batteries
  • Verified all devices are on the latest firmware
  • Confirmed M2 hub remains online and stable at all times
  • Confirmed Zigbee channel and PAN ID via Aqara app
  • Issue persists even with minimal network activity

Observed Behavior:

  • The U100 continues to function locally (keypad, fingerprint, physical operation)
  • The lock intermittently appears offline / “No Response” in Aqara & Apple Home
  • The Aqara M2 hub remains online when the issue occurs
  • Restarting components temporarily restores connectivity, but the issue returns

Based on the above, I suspect a possible U100 Zigbee sleep-state issue or HomeKit bridge desynchronization, rather than a signal strength or network problem.

Before proceeding with removing and re-pairing the lock, I wanted to…

  1. Confirm whether this is a known firmware issue with the U100 and Apple Home
  2. Determine if a firmware update or patch is available
  3. Confirm whether additional Zigbee diagnostics or logs can be captured from the M2 hub

Any assistance from this forum would be greatly appreciated!

Thanks! ツ

M~

4 Likes

@KiTeVeX You seem to be experiencing an issue with the Aqara Smart Door Lock U100 intermittently showing as offline in the Aqara and Apple Home apps. You can contact customer support for assistance. Contact the Aqara Home App Customer Service Team (Profile> Help & Feedback > Customer Service) or scan the QR code:


This will be more efficient. If you do not have an Aqara Home account, “Please click here” to create a ticket.

3 Likes

I’m similarly am experiencing an ongoing issue with my Aqara Smart Door Lock U100 intermittently showing as “No Response” / offline in the Aqara and Apple Home app despite extensive troubleshooting and a stable environment.

Environment Details:

  • Aqara Smart Door Lock U100
  • Aqara Doorbell Camera Hub G410
  • Distance: ~8 feet between hub and lock
  • Zigbee Channel: 25
  • PAN ID: 0xd9de
  • Preferred Apple Home Hub: Apple TV HD. Alternatively: Two Apple HomePod Mini
  • Router: TP-Link Deco XE75 AEX5400 Tri-Band WiFi 6E Mesh System
  • Arris SB6190 modem has been power-cycled and verified stable

Troubleshooting Already Completed:

  • Restarted Aqara Doorbell Camera G410 hub multiple times
  • Power-cycled Apple TV HD, Deco router system, and ISP modem
  • Replaced U100 batteries with fresh alkaline batteries
  • Verified all devices are on the latest firmware
  • Confirmed Doorbell Hub remains online and stable at all times
  • Confirmed Zigbee channel and PAN ID via Aqara app
  • Issue persists intermittently throughout day even with minimal network activity

Observed Behavior:

  • The U100 continues to function locally (keypad, fingerprint, physical operation)
  • The lock intermittently appears offline / “No Response” in Aqara & Apple Home
  • The Aqara Doorbell Camera G410 hub remains online when the issue occurs
  • 4 other child devices are connected to hub which includes another Aqara Smart Lock U100 that experiences zero issues
  • Restarting components temporarily restores connectivity, but the issue returns

Note: U100 does not appear to support diagnostic logging after pressing reset button 7 times per app directions

3 Likes

subyeo, I had to open a support case with Aqara on this one and after a couple of days they had to escalate the case to their developers. You might have to do the same. M~

3 Likes

I’m having the same problem and have grown tired and of it. I’m putting my Schlage lock back in that runs on thread. I also have random Aqara devices go offline even though I have hubs within 20 feet of all accessories.

3 Likes

Brad,

Interestingly, my U100 Smart Lock suddenly started working again including all Apple Home automations. Previously, I had granted Aqara Support remote access to the device along with diagnostic logging. I’m not sure whether my escalated ticket to their developers led to the fix, as I haven’t heard back from them yet.

That said, I’ve seen this behavior before. Over a year ago, I had an issue with my Aqara doorbell camera that they resolved remotely without any explanation — it just started working again. So it’s possible the same thing happened here and I may still hear back from them.

My recommendation would be to contact Aqara Support and open a case. I don’t blame you at all for considering swapping out the deadbolt. I almost did the same myself.

Good luck,

M~

1 Like

Matthew, I received notice today that they have forwarded my ticket info to include my reference to this thread to the developers and to await an update.

2 Likes

Subyeo, please keep me posted. I’m curious whether they respond to you directly or simply resolve the issue without communicating the resolution. M~

M,

They did resolve my issue through a few email exchanges. Once they elevated it to their developers and I provided them system access, they ‘implemented some enhancements’, which I’m presuming is their review of the device logs and fiddling with software. After 3 days I no longer received off-line errors from either my U100 lock nor from the two door/window sensors that had also been going off-line periodically (so it could also have been a fix to the G410 Doorbell ‘hub’). Since their fix it has been smooth sailing. The tech support would not share what exactly they fixed, but I am happy with the result.

Good luck to you and hope you get the same level of service support. ~Subyeo~

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Unfortunately been experiencing the same issues. :expressionless:

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Happy to hear they resolved it! Yup, same thing. They didn’t share the solution with me. Make sure you disable the access you gave them. ツ

Yeah, I would contact Aqara support. They’ll fix it.

1 Like