# Z WAVE ERROR auto

**URL:** <https://discourse.nodered.org/t/z-wave-error-auto/84276>\
**Category:** General\
**Created:** [4 January 2024 09:17 UTC](https://discourse.nodered.org/t/z-wave-error-auto/84276 "2024-01-04T09:17:23Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![daak](https://avatars.discourse-cdn.com/v4/letter/d/f19dbf/32.png) [@daak](https://discourse.nodered.org/u/daak)\
**Post date:** [4 January 2024 09:17 UTC](https://discourse.nodered.org/t/z-wave-error-auto/84276/1 "2024-01-04T09:17:23Z")

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I have a z wave program with 189 remotecs zxt 600 the goal is to send shutdown commands to air conditioning units in the evening. I noticed that the program in auto mode does not work.  
I don't know where the problem comes from.  
In plus I have the impression that the aeotec gen 5 key does not see the 189 remotecs.  
Thank you

 ![20240104_085353](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/3/a/3a3ce6dd5e0d6e73abb6e4f1ad7420d5780243c6.jpeg)  
 ![20231115_144505](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/7/e/7e284295311b9048521f1777c75702403dac2067.jpeg)

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**Author:** ![rgerrans](https://avatars.discourse-cdn.com/v4/letter/r/2bfe46/32.png) [@rgerrans](https://discourse.nodered.org/u/rgerrans)\
**Post date:** [7 January 2024 16:11 UTC](https://discourse.nodered.org/t/z-wave-error-auto/84276/2 "2024-01-07T16:11:31Z")

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I should agree that the issue is likely with your ZWave stick. You might want to try a network heal to see if it is able to reconnect to those nodes

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**Author:** ![marcus-j-davies](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/marcus-j-davies/32/103435_2.png) [@marcus-j-davies](https://discourse.nodered.org/u/marcus-j-davies)\
**Post date:** [7 January 2024 18:51 UTC](https://discourse.nodered.org/t/z-wave-error-auto/84276/3 "2024-01-07T18:51:35Z")

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To echo @rgerrans

Devices being reported as dead, means they have not responded to any commands passed to them, possible causes:

- Incorrect Encryption keys
- USB stick being surrounded by metallic objects (put up high on a cord)
- A bad network mesh (try a route rebuild (Heal))
  - If you a lot of battery devices, this can take a long time to complete

- Devices in locations that suffer from interference.
- Buggy device firmware

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [7 March 2024 18:51 UTC](https://discourse.nodered.org/t/z-wave-error-auto/84276/4 "2024-03-07T18:51:55Z")

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