Knowledge Center Troubleshooting

Rain Bird WiFi Controller Connected at Home But Not When Away

Sometimes a Rain Bird WiFi controller has a successful WiFi connection where the light on the WiFi module is blinking green, and the user is able to connect to the controller with a mobile device when at home, but when they are outside the range of their home network they get the Communication Error “The […]

Flow Notifications

The ESP-ME3 controller uses flow-sensing technology to provide notifications to property owners when there is a system leak or water shortage. To turn on notifications in the Rain Bird App, go to the controller settings and turn on the notifications for High Flow Alarm and Low Flow Alarm. Once notifications are turned on, and a […]

Rain Bird WiFi controller connection troubleshooting

If your Rain Bird WiFi controller is not able to stay connected to your home WiFi network it may be on the outside edge of the WiFi signal broadcast by your WiFi router. This is seen at the controller with a blinking red WiFi Module. This can be improved by moving the router closer to […]

Error: New Update Detected

If you get the “New Update Detected” message shown below, the LNK™ WiFi Module needs to be updated to work with the ESP-ME3 controller. Follow the steps below to complete this update.

Changing the Controller Password

Note: This article is for changing your controller password when you still know the current controller password. If you do not have the controller password go to the forgotten controller password article here: Follow these instructions in order to change a controller password:

Internet Service Provider Change

If you change your Internet Service Provider (ISP), you should not see a change in your ability to manage your Rain Bird WiFi controller from within or from outside of your home WiFi network, as long as your router settings have not changed**. If your router has changed along with the ISP and there is […]

Error: Lock Out

The controller password has been entered wrong more than 5 times.  This locks out access to controller settings and controller sharing for 20 minutes. If the password is forgotten please review this article:

Communication Error: Different model of controller

This error will be displayed if the LNK WiFi Module has been moved from one controller model type (e.g. ESP-ME) to a different model type (e.g. ESP-TM2) and you are trying to communicate with the new controller type using the previous controller card (linked to prior model) in the mobile app. If you move the LNK […]

Communication Error: No response

The app tried to connect to the Rain Bird WiFi controller, but the controller did not respond in the expected time. If your Rain Bird WiFi controller will not connect to your mobile device and the Rain Bird App is displaying “Communication Error”, it may be due to the following reasons: The Rain Bird WiFi […]