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Malfunction remedy
Malfunction
Pump does not start
Pump does not deliver
Insufficient delivered quantity
Pump switches off after a short running time
Maintenance and cleaning
W A R N I N G
Electrical current may cause death or severe injuries.
• Disconnect the power plug before carrying out any work on the unit.
• Secure the unit to prevent unintentional switching on.
Cleaning the device
T I P
Recommendation regarding cleaning:
• Clean the unit as required, but at least twice a year.
• When cleaning the pump, pay particular attention to the impeller unit and the pump housing.
• In the event of the filter housing capacity reducing, clean the unit under running water using a brush.
• Do not not use cleaning agents or chemical solutions.
• Recommended cleaning agent for removing stubborn limescale deposits:
– Vinegar- and chlorine-free household cleaning agent.
• After cleaning, thoroughly rinse all parts in clean water.
Cleaning/replacing the impeller unit
How to proceed:
E
1. Remove the filter housing.
2. Unscrew the pump housing by turning counter-clockwise and remove (bayonet closing mechanism).
3. Remove the impeller unit.
4. Clean all parts.
– Use a soft brush.
– Rinse parts in clean water.
5. Reassemble the unit in the reverse order.
Storage/winter protection
The unit is not frost-proof and has to be removed and put into storage if minus temperatures are expected.
How to correctly store the unit:
• Thoroughly clean the unit and renew any damaged parts.
• Protect electrical connections from moisture and dirt.
• Store the pump submerged and in a frost-free environment.
• Protect open plug connections from moisture and dirt.
12
Cause
No mains voltage
Filter housing clogged
Filter housing clogged
Excessive loss in the supply hoses
Excessively soiled water
Water temperature too high
Remedy
Check mains voltage
Clean/check supply lines
Clean strainer casings
Reduce hose length to the necessary mini-
mum, do not use unnecessary connection parts
Clean strainer casings
Reduce hose length to the necessary mini-
mum, do not use unnecessary connection parts
Clean pump
Note maximum water temperature of +35 °C
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