11GB8. TroubleshootingFault Possible Cause RemedyNo display appears Battery inserted incorrectly. v Check polarity markingsmatch (+ / –).Flat battery. v Insert new (alkaline) battery.Temperature on the display Display appears afteris higher than 60 °C. temperature has dropped.Manual watering is not Battery flat (1 bar flashes). v Insert new (alkaline) battery.possible using the Manual watering period is set v Set manual watering periodMan. button to 0 :00 . to a figure greater than0 :00 (see 5. Programming).Tap turned off. v Turn tap on.Watering program is not Watering program has not v Read off watering programbeing undertaken been entered completely. and modify if necessary.(no watering) Programs deactivated v Activate program(Prog. OFF ). (Prog. ON ).Program entry / modification v Make program entry /during or just before the modification outside thestart pulse. programmed start times.Valve was opened manually v Avoid possible programpreviously. overlaps.Tap turned off. v Turn tap on.Soil moisture or rain sensor v If dry, check setting /registers damp. location of soil moisture /rain sensor.Battery flat (1 bar flashing). v Insert new (alkaline) battery.Water Computer does Minimum quantity of water v Connect more drip heads.not close drawn is less than 20 l / h.All 3 watering cycle Sensor not correctly v Check connection cablesymbols flash connected. and sensor.( )AIn the event of other faults please contact GARDENA Service.Repairs should only be carried out by GARDENA service centres or dealersauthorised by GARDENA.9. Available accessoriesGARDENA Art. No. 1188Soil Moisture SensorGARDENA Art. No. 1189Rain Sensor electronicGARDENA Art. No. 1815-00.791.00Anti-theft device From GARDENA Service