Gardena Flex Operator's Manual - Page 8
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7. TROUBLESHOOTING
Problem
No display appears
Display shows
when button / setting
dial is activated
Manual watering is
not possible using the
button
Watering program is
not being undertaken
(no watering)
Possible Cause
Battery is inserted incorrectly.
Battery is flat.
Temperature on the display is higher
than 70 °C.
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.
Remedy
v Check the polarity markings
match (+ / –).
v Insert a new (alkaline) battery.
v Display appears after the
temperature has dropped.
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.
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