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TROUBLESHOOTING GUIDE
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.
Display is blank. No AC power reaching controller.
Controller may be damaged by power
surge.
Verify AC power and wiring. Correct any
errors. Check transformer output.
Call dealer.
Time of day display is blinking. Unit has just been powered up for the
rst time.
Extended power outage has occurred that
has drained battery.
Short power outage has occurred but
backup battery is dead.
Set time/date.
Replace battery and reprogram controller.
Replace battery and reprogram controller.
The display reads “ERR”. Electrical noise is entering the system,
through the smart port wiring harness.
Check the SmartPort
®
wiring harness.
If the wires were extended then they
will need to be replaced with shielded
cable. Contact your local distributor for
information on shielded cable.
The display reads “P ERR”. There is a ground fault in the wire to the
pump start or master valve.
Check the master valve or pump start wire
for continuity. Replace or repair the broken
wire. Check that all wire connections are
good and water tight.
The display reads a station number and
ERR, such as “2 ERR”.
There has been a ground fault with the
wire leading to that station.
Check the station wire for continuity.
Replace or repair broken wire. Check that
all wire connections are good and water
tight.
The display reads “NO AC”. There is no AC power present. Check to see if the transformer is properly
installed.
Rain sensor does not suspend
irrigation.
Rain sensor is defective or miswired.
Controller is in the RUN (BYPASS
SENSOR) position.
Verify operation of sensor and proper
wiring.
Return dial to the run position.
Frozen display. Power Surge. See “Clearing Controller’s Memory/
Resetting Controller” on page 19.
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.
Turn dial to RUN (BYPASS SENSOR).
Check AC connections.
Controller waters the same area more than
one time.
Too many start times entered
in program.
One start time activates a complete cycle.
See “Setting Start Times.”
SRC Plus Controller
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