Oase AquaMax Eco Expert 20000 / 12V, Operating Instructions Manual

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- EN -
24
Remedy of faults
Malfunction Cause Remedy
Pump does not start No mains voltage
•
Check the mains voltage.
•
Check the plug connection of the connection
line
•
Check supply lines.
Pump does not deliver. Filter housing clogged
• Clean (→
Cleaning the device
)
Excessively soiled water
•
Clean the pump. The pump automatically
switches on again once the motor has cooled
down.
The impeller unit is blocked
•
Disconnect the power supply and remove
obstacle. Then switch the pump on again.
Insufficient delivered quantity Filter housing clogged
• Clean (→
Cleaning the device
)
Excessive loss in the supply lines
•
Select larger hose diameter
•
Reduce hose length to reduce frictional loss
•
Avoid unnecessary connection elements
Pump switches off after a short running period. Excessively soiled water
• Clean pump (→
Cleaning the device
). The
pump automatically switches on again once
the motor has cooled down.
Water temperature too high
•
Note maximum water temperature of +35°C.
The pump automatically switches on again
once the motor has cooled down.
The impeller unit is blocked
•
Disconnect the power supply and remove
obstacle. Then switch the pump on again.
Pump has run dry.
•
Flood the pump. Fully submerge the pump
for operation in the pond.
Switching power pack too warm
•
Adhere to max. ambient temperature. (
→
Technical data). The switching power pack
automatically shuts down, if it gets too warm.
•
After cool-down: Disconnect power plug and
switch the unit on again.
(→
Commissioning/start-up
)
Maintenance and cleaning
W A R N I N G
Possible death or severe injury from hazardous electrical voltage!
• Prior to reaching into the water, isolate (switch off and disconnect) all units/devices used in the water.
• Isolate the device (disconnect from the power supply) before carrying out any work on it.
Removing the switching power pack
If necessary, the plug connection of the connection line can be released, if the switching power pack is to be removed
for cleaning and maintenance.
How to proceed:

I
Use a screw driver (3 mm blade) to carefully push down the
engaged stud.
Pull the plug connector apart.
Cleaning the device
Recommendation regarding cleaning:
•
Clean the unit as required but at least twice a year.
•
When cleaning the pump, pay particular attention to the cleaning of the impeller unit and pump housing.
•
Do not use aggressive cleaning agents or chemical solutions as they could attack the housing or impair the function
of the unit.
•
Recommended cleaning agent for removing stubborn limescale deposits:
– Pump cleaning agent PumpClean from OASE.
– Vinegar- and chlorine-free household cleaning agent.
•
After cleaning, thoroughly rinse all parts in clean water.