Symptom
Possible Cause
Suggestion
No display
Flat battery or
no mains power or
fuse blown
Install a charged battery. If the display
still doesn’t work, then check the
transformer or the main power supply.
If main power supply is working, check
and replace the fuse if necessary.
Station not working
Faulty solenoid coil or
Broken cable
Swap faulty station wire on controller
terminal block with known working station
wire. If the faulty valve still does not work
on the known working connection then the
solenoid coil is faulty. The panel may need
to be repaired or the cable may be broken.
Fuse blows
Incorrect wiring or
bad wiring joint
Check wiring and joints for a short circuit.
No automatic start
Incorrect
programming or
blown fuse
If unit works manually check settings.
Check fuse and field wiring.
System watering
at random
Too many start
times entered
Check number of start times entered
and when they are scheduled to
water. Reset the unit if necessary.
Troubleshooting