Problem: Spark 8 controller stuck on “in communication” when activating valves

Stefano
Updated at 2025-07-21 21:17:23 UTC
Topic: Connected Home

Hi everyone,

my Netro Spark 8 controller connects correctly to Wi-Fi and shows as online in the app. However, when I try to start irrigation manually from the app, it just stays on “in communication” and nothing happens.


I’ve already tried:


  • Using a different Wi-Fi network (even a mobile hotspot)
  • Replacing the controller with a new Spark 8
  • Restarting both the app and the device



If I activate the valves directly from the controller, they work fine — so it’s not a hardware issue.


Any suggestions on how to solve this?

Thanks in advance!

– Stefano


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