7
UK
Changing air stones
Change connected air stones if they are clogged or if air
discharge is reduced. This increases the counter-pressure,
increasing wear and tear on the pump membrane as well.
TROUBLESHOOTING
Malfunction Cause Solution
Pump will not operate Pump has no power Connect the power
supply
Pump is faulty Contact your retailer
or Tetra Customer
Service
Pump is making
unusual noises
Vibrating surface Place the pump on a
solid surface, where
necessary on a
sound-absorbing mat.
Performance is
unsatisfactory
Air filter is dirty Clean the air filter
Air stone is clogged Change the air stone
Diaphragm is faulty Contact your retailer
or Tetra Customer
Service
DISPOSAL
The device contains electronic components and cannot be
disposed of with the standard household waste.
• Dispose of the device using the return system for your area
so that the raw materials can be recycled.
• Cut off the connection cable prior to disposal to prevent the
device from being used.
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