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16. Troubleshooting
Note: When returning the device for repair, please ensure for safety reasons that it is empty and dry when it is sent to the service centre.
Fault
Possible cause
No mains voltage
Motor does not start or
Electrical interruption
suddenly stops during
operation
Pump impeller jammed and thermal sensor
has tripped
Suction valve not in the water
Garden pump and domestic waterworks not
filled with pumped liquid
Garden pump and domestic waterworks
sucks in air at a connection point
Leaky or damaged suction hose
Pre-filter locking screw leaks
Garden pump and domestic
Max. suction height exceeded
waterworks does not suck
Waiting time was not maintained
Air cannot escape because the pressure
hose is closed or there is residual water in
the pressure hose
Pre-filter or suction line clogged
Suction height too high
Water level dropping rapidly
Garden pump and domestic waterworks
performance reduces due to hazardous
Motor runs, but the flow
substances
rate or pressure suddenly
drops
Pre-filter or suction line clogged
Suction-side leaks
Flow sensor impeller blocks
Thermal sensor shuts off the
Motor overloaded, friction too high due to
garden pump and domestic
foreign bodies
waterworks
Flow sensor impeller worn or defective
Garden pump and domestic
waterworks does not switch
off in automatic mode
Flow sensor defective
In automatic mode, the
garden pump and domestic
waterworks unintentionally
Non-return valve defective
switches on again after it
has been switched off
No mains voltage
LCD display doesn't switch
on
LCD display defective
44
GB
Remedy
Check mains voltage
Have the garden pump and domestic waterworks checked
in a specialist workshop.
Disconnect the garden pump and domestic waterworks
from the power supply, dismantle and clean the hoses and
connections
Put the suction valve in the water
Fill garden pump and domestic waterworks with water
Seal the suction-side connections airtight
Check suction hose for damages and seal airtight
Check seal and replace it if necessary - tighten hand-tight
Check suction height
Turn on the garden pump and domestic waterworks and
wait until it pumps water
Open the consumer which is connected to the pressure line
(z. B. nozzles, showers, etc.), or empty the pressure line or
remove is from the garden pump and domestic waterworks
when pumping.
Clean pre-filter or suction line
Check suction height
Position suction valve lower
Clean garden pump and domestic waterworks and
replace worn parts
Clean pre-filter or suction line
Seal suction-side
Have the garden pump and domestic waterworks checked
in a specialist workshop.
Dismantle garden pump and domestic waterworks and
clean, avoid suctioning foreign bodies
Have the garden pump and domestic waterworks checked
in a specialist workshop.
Have the garden pump and domestic waterworks checked
in a specialist workshop.
Have the garden pump and domestic waterworks checked
in a specialist workshop.
Check mains voltage
Have the garden pump and domestic waterworks checked
in a specialist workshop.
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