Instructions
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12. 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
Pump does not start
Mains voltage is not applied
Check mains voltage
Float switch (3) does not
switch
-
tion
Pumps has no dis-
charge
Pump capacity reduces
heavily soiled and abrasive
water admixtures
Clean pumps
Pump does not
Float switch (3) cannot drop
Set up pumps correctly on the pit
base
Reduces pump perfor-
mance, through severely
contaminated water and
additions in the water which
Clean pumps
after a short period
Motor contactor disconnects
the pumps because of water
pollution that is too severe.
Pull out power plug and clean the
pump as well as shaft
Water temperature too high,
motor contactor breaks
Note maximum water temperature
of 35°C!