Scheppach HWW1400 Originalbetriebsanleitung Seite 23

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
Motor does not start
Pump does not suck
Inadequate pump
delivery
Thermostat shuts
pump down
Possible Cause
No mains voltage
Pump impeller jammed
Suction valve not in the water
No water in the pump housing
Air in the suction line
Suction valve leaking
Suction strainer (suction valve) clogged
Max. suction height exceeded
Suction height too high
Suction strainer clogged
Water level dropping rapidly
Pump performance reduces due to
hazardous substances
Motor überlastet, Reibung durch
Fremdstoffe zu hoch
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Remedy
Netzspannung überprüfen
Pumpe zerlegen und reinigen
Saugventil im Wasser anbringen
Wasser in Pumpengehäuse füllen
Dichtigkeit der Saugleitung überprüfen
Saugventil reinigen
Saugkorb reinigen
Check suction height
Check suction height
Clean suction strainer
Position suction valve lower
Clean pump and replace worn parts
Pumpe demontieren und reinigen, Ansaugen
von Fremdstoffen verhindern (Filter)
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