Operation Manual

24
TROUBLESHOOTING GUIDE (continued) .............................................................................
PROBLEM CAUSES SOLUTIONS
Display indicates irrigation but
station does not water.
Faulty or miswired valve.
Faulty pump or pump relay.
No water pressure to supply.
Check valve and valve wiring.
Check pump and pump relay. Replace if defective.
Turn on main system water system.
The display reads “No AC”
There is no AC power present. Check to make sure power is on. Check to see if
transformer is properly installed.
Rain Sensor does not suspend
irrigation.
Rain sensor is defective or miswired.
Rain sensor is in the RUN (BYPASS SENSOR) position.
Jumper not removed.
Verify operation of sensor and proper wiring.
Return dial to the AUTOMATIC position.
Remove jumper.
Frozen Display
Power surge. Unplug transformer, remove battery, wait several
seconds, repower and reprogram controller.
Automatic irrigation does not start
at start time and controller is not
in the system off mode.
AM/PM of time of day not set correctly.
AM/PM of start time not set correctly.
Start time is disabled (Set for Off).
Rain sensor is preventing operation.
Controller is not receiving AC power.
Correct AM/PM of time of day.
Correct AM/PM of start time. Set start time.
See "Setting Watering Start Times" (p. 18)
Turn dial to AUTOMATIC (BYPASS SENSOR)
.
Check AC connections.
Controller waters the same area
more than one time/Controller
cycles continuously.
Too many start times entered in progarm
(user error).
One start time activates a complete cycle.
See "Setting Watering Start Times" (p. 18)