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Troubleshooting chart for controller / timer

The watering cycle repeats.

Possible Causes: Remedy:
Too many start times. Disable redundant start times or start times that are repeated.
Season adjust is set at more than 100 percent. Set the season adjust to 100 percent or less.


The fuses blow too often.

Possible Causes: Remedy:
Valve solenoid is faulty. Replace the solenoid.
Wires to valves damaged Repair the wiring.
Timer is faulty Replace the timer/controller.


The timer's display is blank.

Possible Causes: Remedy:
No power to the timer. Check the outlet for power
Transformer is faulty. Replace the transformer.
Blown fuse in the time. Repair damaged wiring or replace the bad solenoid.
Timer is faulty. Replace the timer.


The irrigation system does not water the yard.

Possible Causes: Remedy:
Timer is off or it has a blown fuse Replace the fuse and turn on the timer.
No power at outlet. Reset the circuit breaker. Change outlet.
No 24-volt power form the transformer to timer. Replace the bad wiring or the transformer
Wire to valves damaged. Repair any damaged wiring.
Faulty transformer, timer or rain sensor. Replace any faulty components as needed.
Incorrect watering days, start times or run times Check timer program settings.


Zone not working.

Possible Causes: Remedy:
Damaged zone connection Repair the wiring.

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