Troubleshooting

System Beeping, Buzzing, or Humming

Summary Are you hearing a beep, high pitch, or humming sound coming from near your controller and wondering if there is something wrong with your unit? This article covers... Last Update: April 13th 2026, 11:44am

Offline Device Functionality

Summary The controller needs to be connected to the wifi to update data, but you might be wondering what happens if your Wi-Fi somehow stops working. Will your system... Last Update: April 13th 2026, 9:02pm

Intermittent Connectivity Issues and Advanced WiFi Troubleshooting

Summary If your Rachio controller is experiencing frequent disconnections or intermittent Wi-Fi connectivity, this guide walks through troubleshooting steps ranging... Last Update: April 25th 2026, 1:20pm

Connect Rachio 3 to WiFi Using a Laptop or Older Mobile Device

Summary Newer iOS and Android devices may have difficulty completing the initial Wi-Fi connection with some Rachio 3 controllers. This article covers alternative methods... Last Update: April 25th 2026, 1:25pm

Troubleshooting the Rachio Wireless Flow Meter

Summary While Rachio no longer manufactures the Wireless Flow Meter, the device is still supported in the Rachio app. This article covers troubleshooting for common issues... Last Update: April 25th 2026, 3:03pm

Light Codes (Rachio 3)

Summary This article covers the LED light codes displayed on the Rachio 3 Smart Sprinkler Controller and explains what each code means. Light codes communicate... Last Update: June 17th 2026, 1:46pm