7. TROUBLESHOOTING
Problem Possible Cause Remedy
No display appears Battery is inserted incorrectly. v Check the polarity markings
match (+ / –).
Battery is flat. v Insert a new (alkaline) battery.
Temperature on the display is higher
than 70 °C.
v Display appears after the temperature
has dropped.
Display shows
when button is activated
Buttons have been locked.
v Press the
button for 3 seconds.
Manual watering is
not possible using the
button
Low battery is continuously displayed. v Insert a new (alkaline) battery.
Tap is turned off. v Turn the tap on.
Controller is not connected. v Mount the controller on housing.
Minimum pressure of 0.5 bar not available. v Ensure a pressure of at least 0.5 bar.
Watering program is
not being undertaken
(no watering)
Program entry / modification during or
just before the start pulse.
v Make program entry / modification out-
side the programmed start times.
Valve was opened manually previously. v Avoid possible program overlaps.
Tap is turned off. v Turn the tap on.
Soil moisture or rain sensor registers damp. v If dry, check the setting / location of the
soil moisture / rain sensor.
Controller is not connected. v Mount the controller on housing.
Low battery is continuously displayed. v Insert a new (alkaline) battery.
EN
17
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