20
Troubleshooting
Symptom
Display is blank and controller does
not operate.
Valve does not turn on.
Valve does not turn o.
Watering program(s) start at
unexpected times.
Contr
oller not watering on the
selected active day
.
Probable Cause
Power is disconnected.
Faulty control valve wire
connections.
Sensor switch in Active position
without a sensor or jumper installed.
No station run time duration set.
Control valve problem
Watering program schedules have
overlapping start times.
W
ater Budget setting over 100% can
cause delayed start times.
Rain Delay is active.
Interval or Odd/Even Mode.
Remedy
Check transformer connections
(indoor models). Check the AC
service panel for a tripped circuit
breaker or GFI and reset.
Check the wire connections at
control valve and controller.
Set sensor switch to Bypass position
or add jumper to sensor terminals.
Check station run times. See page
12.
Inspect, clean and/or r
eplace the
valve solenoid and/or diaphragm.
Check pr
ogram start time schedules.
Shorten station run times and/or
space start times farther apart.
Check Water Budget and decrease
adjustment % factor as necessary.
Check if Rain Delay is set.
Check if Interval or Odd/Even mode
is selected and see if the selected
day falls within the Odd, Even or
falls between the interval watering
schedule.
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