9
Maintenance and cleaning
WARNING
Serious injury or death from electric shock is possible.
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Disconnect all electrical devices in the water from the power supply before reach-
ing into the water.
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Disconnect the device from the power supply before starting work on the unit.
NOTE
Do not use aggressive cleaning agents or chemical solutions. These agents can dam-
age the housing, impair the function of the device and harm animals, plants and the
environment.
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Clean the unit only with clean water and a soft brush or sponge.
Replace filter media
If the cleaning indicator has risen high enough that the line is visible, the filter capac-
ity is no longer sufficient. You must replace or clean the filter media.
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The filter foam is also available without a frame. You can reuse the frame. This
protects the environment.
BSE0005
