English
Only use original EHEIM spare parts:
Lime wood airstone art. no. 7373328
8. Install the skimmer again in reverse order.
In order to prevent the wood pores of the airstone from swelling, put
the skimmer into operation immediately after the change.
7. Clearing faults
Attention! Electrocution!
▶ Before clearing faults, remove the mains plug of the pump.
Faults
Residual air at the
outlet
No air bubbles
No skimming
‧
‧
Extremely weak air
production
‧
Large air bubbles
at the airstone
Defective skimming
Skimming too strong
(overflow)
For other faults, please contact EHEIM Service.
Possible cause
Can occur after the
water is changed
Skimmer is too low
Pump does not run
Lime wood airstone
swollen
The lime wood airstone
has reached the end of
its service life
The skimmer position is
incorrect
Skimmer is too low
Air volume too high
17
Remedy
▶ This ends automati-
cally after approx.
1 day
▶ Position the skim-
mer higher
▶ Check the pump
▶ Replace lime wood
airstone
▶ Replace lime wood
airstone
▶ Please note the
water level charac-
teristic line!
▶ Position the skim-
mer higher
▶ Reduce air volume