There may be no mains power connected to your Irrigation Controller

This indicates that there is no power to your Irrigation Controller and the screen is only being powered by the 9V battery
To check this, remove the 9V battery from the base of the Irrigation Controller
- If the display disappears completely, there is no power to your unit
Your controller will not operate if there is an AC fault
Check the power outlet or transformer pack for power with a multimeter
- Plug pack transformers for our indoor Irrigation Controllers are available from our HQ or your local electrical retailer

The fuse in your Irrigation Controller may be blown