Troubleshooting - Scheppach HWW1300 Original Bedienungsanleitung

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
Motor does not start
Pump does not suck
Inadequate pump
delivery
Thermostat shuts
pump down
 www.scheppach.com /  service@scheppach.com /  +(49)-08223-4002-99 /  +(49)-08223-4002-58
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
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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