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14.
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)
