User's Manual
13
Troubleshooting Guide
Problem Possible Cause Solution
Controller does not 
display anything.
1.  e battery is dead.
2.  Controller is in Sleep mode.
1.  Install a new 9V battery.
2.  Press MODE to activate screen.
Water does not turn ON. 1.  Faulty control valve wire connections.
2.  Faulty solenoid.
3.  Program run time is set to 0.
4.  Low battery
1.  Check all wire connections.
2.  Replace solenoid.
3.  Increase program run time. (p.8)
4.  Install a new 9V battery.
Water does not turn OFF. 1.  Valve is blocked by dirt or debris. 1.  Inspect, clean, and/or replace the valve.
Controller does not 
irrigate as scheduled.
1.  Water at main water supply is shut o.
2.  Controller is set to OFF.
3.  Overlapping run times on the programs.
1.  Check the main supply valve.
2.  Turn controller on. (Press Mode.)
3.  Check program and clock settings.
Controller displays “Err” 1.  Shorted solenoid or valve wire. 1.  Test solenoid and connections. Correct 
any shorted condition. Press MODE 
>2 seconds until error message clears.










