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English
6. Maintenance
Attention! Electrocution!
▶ Before all maintenance work, remove the mains plug.
Caution Material damage.
▶ Do not use hard objects or aggressive cleaning agents for cleaning.
The following sections describe maintenance work necessary for optimum and fault-free operation.
Regular maintenance prolongs the service life and assures functionality of the pond aerator over a long
period.
Cleaning the filter
The air duct and filter must be checked approximately every 8 weeks and cleaned according to the degree of
soiling. To do so, proceed as follows:
1. Remove the mains plug.
2. Push the filter cover upwards out of the housing (⌦D1).
3. Clean the air duct underneath with a brush.
4. Remove the filter from the filter cover (⌦D2).
5. Clean the filter under running water.
6. Install the filter and filter cover again in reverse order.
7. Clearing faults
Attention! Electrocution!
▶ Before clearing faults, remove the mains plug.
Faults
Possible cause
Remedy
Pond aerator does not pump
No mains voltage
▶ Check the mains voltage
▶ Check the supply line
Mains plug is not inserted
▶ Insert the mains plug in the mains
socket
Pond aerator pumps, but there
is no air from the air stones
Check valve is incorrectly installed
▶ Install the check valve in the
correct installation direction
Air stones are submerged too deep
in the pond
▶ Please note the maximum instal-
lation depth
Pond aerator capacity de-
creases
Air duct/filter soiled
▶ Clean the air duct and the filter
Water is not clear
Air stones are too close to the pond
floor
▶ Place the air stones higher above
the pond floor.
For other faults, please contact EHEIM Service.
