Gardena Flex 1890 Manuel de l'opérateur - Page 8
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Problem
Display shows
when button / setting
dial is activated
Manual watering is
not possible using the
button
Watering program is
not being undertaken
(no watering)
Water Control does
not close
8
Possible Cause
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.
Minimum pressure of 0.5 bar not
available.
Minimum quantity of water drawn is
less than 20 l/h.
Valve soiled.
Remedy
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
outside 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.
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.