Troubleshooting - Scheppach SWP750 Traduction Des Instructions D'origine

13. 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
Pump does not
start
Pumps has no
discharge
Pump does not
switch off
Flow rate insuffi-
cient
Pump switches
off after a short
period
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Possible Cause
Mains voltage is not applied
Float switch (3) does not switch
Pump capacity reduces heavily
soiled and abrasive water admix-
tures
Float switch (3) cannot drop
Reduces pump performance,
through severely contaminated
water and additions in the water
which produce a grinding effect
Motor contactor disconnects the
pumps because of water pollution
that is too severe.
Water temperature too high, motor
contactor breaks
Remedy
Check mains voltage
Bring float switch into higher
position
Clean pumps
Set up pumps correctly on the
pit base
Clean pumps
Pull out power plug and clean
the pump as well as shaft
Note maximum water tempera-
ture of 35°C!
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