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27
EN
Problem
Possible cause
Steps to resolution
Water does not become
clear.
The device has not been in
operation for long enough.
The full effectiveness of biological
purification will only be achieved
after a few weeks of operation.
The pump capacity is insufficient
Adjust the pump capacity.
The water is very dirty..
Remove algae and leaves from the
pond, change the water.
The fish are too big or there are
too many fish.
Guideline: approx 1 kg fish to every
1000 m
3
of pond watter.
The filter sponge or the quartz
tube are dirty.
Take out the UVC filter. Clean the
quartz tube.
UVC lamp indicator is
not on
The power plug and the UVC filter
are not connected.
Connect the power plug and the
UVC filter.
Defective UVC lamp.
Replace the UVC lamp.
Faulty electrical connection.
Check the electrical connections.
The UV light bulb is defective.
Replace the UV light bulb.
The protective tube is not inserted.
Swap out the UV lamp.
The UVC filter has overheated.
After it cools off, the UV filter will
start again.
There is no water
coming from the pond
inlet.
The function switch is set to ‘clean’.
Set the function switch to ‘filter’.
The power plug of the pump is not
plugged in.
Connect the power plug to a power
supply.
The pond inlet is blocked.
Clean the pond inlet.
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