EN
No skimming
action
- run-in period of the device
- water level in the skimmer is
too low
- water level in the sump is too
low
- pump is clogged, dirty, has
lime scale deposits
- the venturi system is clogged
- feed containing grease, water
additives, nutrient solutions
- adjust settings (see pp.
14-15)
- use activated carbon,
change water
- wait a few days
- discontinue feed contai-
ning grease, water additi-
ves, nutrient solutions
- clean pump and mail to
service if needed
Pump too
noisy
- run-in period of the device
- pump is dirty or has lime
scale deposits, foreign object in
pump
- hybrid wheel unit is damaged
- rotor is not properly positioned
in pump
- filter tank is too small or skim-
mer touches the side panel of
the sump. Then, the filter tank
functions as sound box and can
increase the noise of the pump.
- adjust settings (see pp. 14-
15) and wait a few days
- open and clean pump (see
pp. 16-17)
- mail pump to service
- position the skimmer freely
- select a larger filter cham-
ber
Micro-bub-
bles in the
outlet
- run-in period of the device
- water throughput too high
- water level in the sump is too
high
- adjust settings (see pp. 14-
15) and wait a few days
- turn the water level control
tube further, turn the micro-
adjustment screw for the
water level further (if nee-
ded, adjust the air capacity).
19
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