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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
Possible Cause
Remedy
Pump does not start
Mains voltage is not applied Check mains voltage
Float switch (3) does not
switch
Bring float switch into higher posi
-
tion
Pumps has no dis-
charge
Pump capacity reduces
heavily soiled and abrasive
water admixtures
Clean pumps
Pump does not
switch off
Float switch (3) cannot drop Set up pumps correctly on the pit
base
Flow rate insufficient
Reduces pump perfor-
mance, through severely
contaminated water and
additions in the water which
produce a grinding effect
Clean pumps
Pump switches off
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!
Содержание SBP250
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