15
Watering Issues
Problem
Possible Cause
Possible Solution
Programmed schedules
and manual watering
functions do not start.
Water source not supplying water.
Verify there is no disruption to the main water line
and that all other water supply lines are open and
functioning properly.
Wiring is loose or not properly
connected.
Check that valve wiring and master valve or pump start
relay wiring is securely connected at the Timer and in
the field.
Valve wires are corroded or
damaged.
Check valve wiring for damage and replace if necessary.
Check wiring connections and replace with watertight
splice connectors if needed.
Connected rain sensor may be
activated.
Let the rain sensor dry out or else disconnect it from the
Timer terminal block and replace it with a jumper wire
connecting the two SENS terminals.
Jumper wire connecting the two
SENS terminals on the terminal
block may be missing or damaged.
Jumper the two SENS terminals on the Timer terminal
block by connecting them with a short length of 14 to
18 gauge wire.
Electrical Issues
Problem
Possible Cause
Possible Solution
Display is blank.
Power not reaching the Timer.
Verify the main AC power supply is securely plugged in
or connected and working properly.
Verify the power supply wires are connected to the
Timer “24 VAC” terminals. (Indoor model.)
Display is frozen and
Timer will not accept
programming.
An electrical surge may have
interfered with the Timer’s
electronics.
Unplug the Timer for 2 minutes, then plug it back in. If
there is no permanent damage, the Timer should accept
programming and resume normal operation.
Press and release the RESET button.
