Gardena Master Manual do operador - Página 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.
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