# Zigbee RobbSmarrt

**URL:** <https://community.homey.app/t/zigbee-robbsmarrt/90358>\
**Category:** Questions & Help\
**Created:** [September 27, 2023, 9:20am UTC](https://community.homey.app/t/zigbee-robbsmarrt/90358 "2023-09-27T09:20:54Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![DirkG](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/dirkg/32/118897_2.png) [@DirkG](https://community.homey.app/u/DirkG)\
**Post date:** [October 18, 2023, 9:20am UTC](https://community.homey.app/t/zigbee-robbsmarrt/90358/4 "2023-10-18T09:20:25Z")

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What should I say? To be able to localize the error a little better, you should provide more information. That’s why my first answer was that short and that **would** a possible problem if too few routers are installed.

> [@\[Tip\] Problems with Homey?](https://community.homey.app/t/tip-problems-with-homey/35744):
>
> When u have problems with Homey and you are reaching out to the community members here on the forums it’s important to give as much info as u can. First of All: New Homey Family members 09-2021 and 01-2023 Since September 2021 there are new Family members: Homey (Service / Premium), and the first “old” Homey is rebranded as Homey Pro (early 201x) Since Januari 2023: Homey Pro Early 2023 is getting delivered to the early adopters. And while using Homey with or without a Homey Bridge on m…

Connection problems can have many causes:

- too few routers ([Creating a stable Zigbee network with Homey Pro (Early 2023)](https://support.homey.app/hc/en-us/articles/10374465562652-Creating-a-stable-Zigbee-network-with-Homey-Pro-Early-2023-))
- interference with other Zigbee hubs or WiFi settings (2.4 GHz channel/frequency) → [WiFi/Zigbee check](http://ostgardh.se/wifi_zigbee/)
- metal coated windows
- building materials that are used
- other sources of electrical interference, e.g. a defective power supply unit
- etc.

> [@F\_Lecluse](#):
>
> Is Athom fixing this (new) zigbee module?

Please ask Athom.

> [@F\_Lecluse](#):
>
> Where also some aqara contact sensors randomly stop working.

But the problem is more the Aqara contact sensors. Aqara doesn’t use a standardized Zigbee protocol!

I can only recommend you to contact ROBBshop and Athom.

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_[View the full topic](https://community.homey.app/t/zigbee-robbsmarrt/90358)._