Problem
No display appears
Manual watering is
not possible using the
button
Watering program is
not being undertaken
(no watering)
Water Control does
not close
16
1891-20.960.01.indb 16
Possible Cause
Temperature on the display is higher
than 70 °C.
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. v Avoid possible program overlaps.
Tap is turned off.
Soil moisture or rain sensor registers
damp.
Controller is not connected.
Low battery is continuously displayed.
Minimum pressure of 0.5 bar not
available.
Minimum quantity of water drawn is
less than 20 l/h.
Valve soiled.
Remedy
v Display appears after the
temperature has dropped.
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
outside the programmed start
times.
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.
v Ensure a pressure of at least
0.5 bar.
v Connect more drip heads.
v Flush in the opposite direction to
the normal flow direction.
19.11.18 09:41