Gardena 1892 Manuale dell'operatore - Pagina 10

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7. TROUBLESHOOTING

Problem

No display appears

Manual watering is

not possible using the

button

Watering program is

not being undertaken

(no watering)

Possible Cause

Sleep mode is activated 5 minutes

after the last entry is made to save

energy.

Battery is inserted incorrectly.

Battery is flat.

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.

Remedy

v To reactivate the display, press

any function button.

v Check the polarity markings

match (+ / –).

v Insert a new (alkaline) battery.

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 and run the program again.

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.