Oase ProfiClear Premium Compact Operating Instructions Manual page 59

Malfunction Possible cause
Oil film in the drum filter Harmless food-grade oil may leak from a
module new rinsing pump for a short time when first
used
Water contains too much Insufficient Hel-X biomedia used
ammonium/nitrite
Unit has only been in operation for a short
time
Hel-X biomedia are being The meshed tube has slipped
flushed out.
Defective meshed tube
Less movement of the Hel- Aerator rod is blocked
X biomedia
Aerator pump malfunction
Less movement of the new Hel-X biomedia are not yet fully colonised.
Hel-X biomedia
Remedy
No measure is necessary
Use more Hel-X biomedia if necessary.
The full biological cleaning effect is only achieved
after several weeks.
Correct the position of the meshed tube.
Replace the meshed tube.
Replace the aerator rod.
Check the aerator pump.
It takes several weeks for the biomedia to become
colonised by bacteria. Wait for the natural process
to take place.
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