Troubleshooting - Toro LDC-6 User Manual

TROUBLESHOOTING

Symptom
Display is blank.
Fuse blows constantly
Watering programs start at
unscheduled times.
A station does not turn on.
Program starts again after
completion of a watering cycle.
Possible Cause
Mains power is not connected
AND there is no 9V battery fitted
(or it is flat).
Controller fuse has blown AND
there is no 9V battery fitted (or
it is flat).
LCD screen has over heated
Short circuit in a solenoid valve
or the wiring to it
Watering programs have
overlapping start times.
Faulty wiring at station module.
Watering programs have
overlapped.
Water budget setting may be
greater than 100%.
21
Remedy
Fit a 9V battery and check that
the controller is plugged in
to a power point and that it is
switched on. Check that there is
power to the power point.
Fit a 9V battery and check the
fuse under the terminal cover.
The screen may go blank if the
internal temperature exceeds
50°C. If a consistent problem,
suggest moving the unit to a
cooler location
Check the solenoid valve wiring
and the solenoid valves for a
short circuit.
Reduce station times.
Change/remove program start
times.
Check valve wiring and
connections
Reduce station times.
Change/remove program start
times.
Review water budget setting.