# KNX problems

**URL:** <https://community.homey.app/t/knx-problems/8733>\
**Category:** Questions & Help\
**Created:** [February 5, 2019, 12:14pm UTC](https://community.homey.app/t/knx-problems/8733 "2019-02-05T12:14:52Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![Hank](https://avatars.discourse-cdn.com/v4/letter/h/f475e1/32.png) [@Hank](https://community.homey.app/u/Hank)\
**Post date:** [February 5, 2019, 12:14pm UTC](https://community.homey.app/t/knx-problems/8733/1 "2019-02-05T12:14:52Z")

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Hi  
Yesterday I took the decision to be an owner of the homey unit.  
For me the product shall connect my KNX system to communicate with other wireless solutions in the house.

Everything seems to work fine except for the KNX connection.  
Homey is listening to the knx trafic and get values like temp and status etc, but I can’t send any telegrams to the knx units. I don’t know what is wrong and need your suggestions.

Thanks in advance for your support.

Best regards  
Henrik

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**Author:** ![bvdbos](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/bvdbos/32/2352_2.png) [@bvdbos](https://community.homey.app/u/bvdbos)\
**Post date:** [February 5, 2019, 12:31pm UTC](https://community.homey.app/t/knx-problems/8733/2 "2019-02-05T12:31:08Z")

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[https://community.homey.app/search?q=knx](https://community.homey.app/search?q=knx) ?

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**Author:** ![Hank](https://avatars.discourse-cdn.com/v4/letter/h/f475e1/32.png) [@Hank](https://community.homey.app/u/Hank)\
**Post date:** [February 5, 2019, 1:08pm UTC](https://community.homey.app/t/knx-problems/8733/3 "2019-02-05T13:08:34Z")

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Thanks, I already done the search of the problem without success.  
What is the port used by homey to connect to the IP interface of the KNX 3671?

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**Author:** ![Hank](https://avatars.discourse-cdn.com/v4/letter/h/f475e1/32.png) [@Hank](https://community.homey.app/u/Hank)\
**Post date:** [February 5, 2019, 1:24pm UTC](https://community.homey.app/t/knx-problems/8733/4 "2019-02-05T13:24:29Z")

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Continuing the discussion from [KNX problems](https://community.homey.app/t/knx-problems/8733):

Is it important that the knx interface has the physical address 15.15.255 in the knx network?

 ![image](https://us1.discourse-cdn.com/flex025/uploads/athom/original/2X/4/49346314c3dac044c7fde030ef04d62130e262c0.jpeg)

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**Author:** ![gagga](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/gagga/32/14149_2.png) [@gagga](https://community.homey.app/u/gagga)\
**Post date:** [April 27, 2019, 7:45pm UTC](https://community.homey.app/t/knx-problems/8733/5 "2019-04-27T19:45:52Z")

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Did you get it working?  
I have the same issue (Bab-Tec KNX/IP Gateway)

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<div class="post-metadata">

**Author:** ![Hank](https://avatars.discourse-cdn.com/v4/letter/h/f475e1/32.png) [@Hank](https://community.homey.app/u/Hank)\
**Post date:** [April 28, 2019, 6:11pm UTC](https://community.homey.app/t/knx-problems/8733/6 "2019-04-28T18:11:01Z")

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Hi

Not yet, they told me that they work on a big KNX update that will solve my problem.

I’m waiting for it and will test.

Best regards  
Henrik Gjörloff