‐EN‐
13
Troubleshooting
Malfunction Cause Remedy
Theunitdoesnotstartup Nomainsvoltage Checkthemainsvoltage.
Impellerunitblocked Clean
Waterflowinsufficient Regulatorclosedtoofar Adjustregulator
Filterhousingorimpellerunitsoiled Clean
Impellerunitworn Replaceimpellerunit
Insufficientfilteringperfor‐
mance
Foamfilterclogged Clean
Foamfilterworn Replace
Theactivatedcarbonisexhausted. Replacetheactivatedcarbon.
MAINTENANCEANDCLEANING
If necessary, clean with clear water using a
softbrush.
Cleaningandreplacementcyclesforfilterme‐
dia suchas foam filters or activated carbon
are dependent on the size of the aquarium
andthenumberoffish.Therefore,itisneces‐
sarytocleanandreplacethefiltermediaas
required to ensure optimum filter perfor‐
mance.
Cleaningorreplacingthefiltermedia
BioCompact25
Howtoproceed:
A
1. Removethelidofthefiltercontainer.
2. Pulloutthefoamfilterandrinseinwarmwa‐
terorreplace.