Disposing of flat batteries:
v Please return flat batteries to a GARDENA
dealer or dispose of them properly at your
nearest recycling centre.
Only dispose of batteries when they are flat.
6. MAINTENANCE
Clean filter [ Fig. I3 / M1 ]:
The filter r should be checked regularly and
cleaned when necessary.
1. Unscrew sleeve nut t of the Water Computer by
hand from the tap thread (do not use pliers).
2. If necessary unscrew the adaptor e.
3. Remove filter r from sleeve nut t and clean.
4. Fit the Water Computer again (see 3. PUTTING
YOUR WATER COMPUTER INTO OPERATION
“Connecting Water Computer”).
Problem Possible Cause Remedy
No display appears Battery inserted incorrectly. v Check polarity markings match (+/–).
Flat battery. v Insert new (alkaline) battery.
Temperature on the display is higher
than 60 °C.
v Display appears after temperature
has dropped.
Manual watering is not possible
using the rotary knob set to On Battery flat ( is continuously
displayed).
v Insert new (alkaline) battery.
Tap turned off. v Turn tap on.
Controller is not connected. v Mount controller on housing.
7. TROUBLESHOOTING
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