English
Putting into operation
After the sensor is mounted on the basin glass, switch on the automatic refilling system by
pressing the key on the controller. The indicator on the controller (LED
colour from red to green. From this point, the EHEIM automatic water refill device monitors
the water level of your aquarium.
In order to guarantee the detection of the water level, the inner sides of the aquarium must
be regularly freed from contaminants such as limescale and salt crusts.
Attention: When changing the water or working in the aquarium, switch the au-
tomatic refill device into standby mode.
Operating the controller
Standby mode: To switch the automatic refill device to the standby mode, briefly press the
button on the controller once. The standby mode is active when the LED on the controller ra-
pidly flashes green.
Reset: To reset the controller, keep the button pressed for so long until the LED glows con-
stantly red.
Switching on / activating: To take the automatic refill device out of standby mode or to re-
activate after a reset, briefly press the button on the controller once.
Overview of the CONTROLLER display
LED display
Red
Green
Green flashing
No display
Overview of the SENSOR display
LED display
S1,S2
Green
Yellow
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C1
status
Reset and delivery status: System waits for a short activa
tion of the key on the controller.
System is ready for operation
Pump is refilling
It is possible that the power supply unit has no power,
Controller is switched off
status
Sensor is ready for operation
If the water level is below the desired level, the pump should
start to refill after a few seconds
20
C1) changes