My rain barrel pump 4000/2 automatic Art. 1742 no longer switches on automatically or keeps switching on without taking water. Where is the fault?
My rain barrel pump 4700/2 inox Art. 1766 automatic no longer switches on automatically or keeps switching on without taking water. Where is the fault?
My submersible pressure pump 5900/4 inox automatic Art. 1771 or 6100/5 inox automatic Art. 1773 no longer switches on automatically, or keeps switching on without removing water. What is the fault?
Watering is carried out although the sensor indicates "moist".
The motor of my pump is not running. The pump is humming.
When watering is started, several valves are opened/the same valve is always opened.
My pump is not pumping enough water, what could be the reason?
My garden pump with safepump function (1734 or 1736) does not switch off automatically. What could be the reason for this?
My automatic domestic water heater does not switch off automatically. What could be the reason for this?
My domestic water system does not prime. What could be the reason?

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When watering is started, several valves are opened/the same valve is always opened.

Please check the wiring of your valve box and the control unit first.

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It is also important that the metal clips connect the contacts "C" with each other. If the fault persists, please send us pictures of the wiring of the valves in the box and on the control unit.