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If you are having a problem with the controller, check the following symptoms, possible causes and remedies. If
the problem cannot be resolved or you would like assistance with any Toro irrigation product, call our toll-free
Toro Help Line, 1-800-664-4740 Monday through Friday, 7:30
AM – 4:00 PM (Pacific Standard Time)
Troubleshooting
Possible Cause
The battery is dead and one or more
of the following causes:
Blown fuse.
Transformer wires disconnected or
the transformer is unplugged.
Open circuit breaker to wall plug
receptacle.
Watering programs have overlapping
schedules.
Faulty control valve wire connections.
Station run time is turned Off.
Control valve problem.
More than one start time on the
program.
Season Adjust setting greater than
100%.
Remedy
Replace the battery and one or
more of the following:
Replace the fuse. See page 31.
Check the transformer connections.
Check circuit breaker at service.
Shorten station run times and/or
space start times farther apart.
Check the wire connections at the
control valve and controller.
Enter a station run time. See page 21.
Inspect, clean and/or replace the
valve solenoid.
Remove additional program start
times. See page 20.
Set
SEASON ADJUST to 100%.
See page 30.
Symptom
The display is blank and the
controller does not operate.
Watering programs start at
unscheduled times.
Watering station does not turn on.
Watering station does not turn off.
Program restarts unexpectedly
after the completion of an auto-
matic operation.