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15. Troubleshooting
The table below contains a list of error symptoms and explains what you can do to solve the problem if your tool
fails to work properly. If the problem persists after working through the list, please contact your nearest service
workshop.
Problem Possible Cause Remedy
Motor does not start
No mains voltage Netzspannung überprüfen
Pump impeller jammed Pumpe zerlegen und reinigen
Pump does not suck
Suction valve not in the water Saugventil im Wasser anbringen
No water in the pump housing Wasser in Pumpengehäuse füllen
Air in the suction line Dichtigkeit der Saugleitung überprüfen
Suction valve leaking Saugventil reinigen
Suction strainer (suction valve)
clogged
Saugkorb reinigen
Max. suction height exceeded Check suction height
Inadequate pump delivery
Suction height too high Check suction height
Suction strainer clogged Clean suction strainer
Water level dropping rapidly Position suction valve lower
Pump performance reduces due to
hazardous substances
Clean pump and replace worn parts
Thermostat shuts pump
down
Motor überlastet, Reibung durch
Fremdstoffe zu hoch
Pumpe demontieren und reinigen, Ansaugen
von Fremdstoffen verhindern (Filter)