Troubleshooting - Gardena Select 1891 Operator's Manual

7. TROUBLESHOOTING

Problem
No display appears
Display shows
when button is activated
Manual watering is
not possible using the
button
Watering program is
not being undertaken
(no watering)
Possible Cause
Battery is inserted incorrectly.
Battery is flat.
Temperature on the display is higher
than 70 °C.
Buttons have been locked.
Low battery is continuously displayed.
Tap is turned off.
Controller is not connected.
Minimum pressure of 0.5 bar not available.
Program entry / modification during or
just before the start pulse.
Valve was opened manually previously.
Tap is turned off.
Soil moisture or rain sensor registers damp.
Controller is not connected.
Low battery is continuously displayed.
Remedy
v Check the polarity markings
match (+ / –).
v Insert a new (alkaline) battery.
v Display appears after the temperature
has dropped.
v Press the button for 3 seconds.
v Insert a new (alkaline) battery.
v Turn the tap on.
v Mount the controller on housing.
v Ensure a pressure of at least 0.5 bar.
v Make program entry / modification out-
side the programmed start times.
v Avoid possible program overlaps.
v Turn the tap on.
v If dry, check the setting / location of the
soil moisture / rain sensor.
v Mount the controller on housing.
v Insert a new (alkaline) battery.
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