Gardena 1888 Manuale dell'operatore - Pagina 7
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6. TROUBLESHOOTING
Problem
Manual watering is
not possible using the
button
Watering program is
not being undertaken
(no watering)
Water Control does
not close
Possible Cause
Low battery is continuously displayed:
LED next to start delay lights up red.
Tap is turned off.
Controller is not connected.
Program entry / modification during or
just before the start pulse.
Valve was opened manually previously.
Tap is turned off.
Controller is not connected.
Low battery is continuously displayed:
LED next to start delay lights up red.
Minimum pressure of 0.5 bar not available.
LED lights up orange.
Minimum quantity of water drawn is less
than 20 l/h.
Valve soiled.
Remedy
v Insert a new (alkaline) battery.
v Turn the tap on.
v Mount the controller on housing.
v Make program entry / modification
outside the programmed start times.
v Avoid possible program overlaps.
v Turn the tap on.
v Mount the controller on housing.
v Insert a new (alkaline) battery.
v Ensure a pressure of at least 0.5 bar.
v Pay careful attention to the blue and
grey settings and keep them com-
pletely separate.
v Connect more drip heads.
v Flush in the opposite direction to the
normal flow direction.
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