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14. Troubleshooting
The following table shows fault symptoms and describes remedial measures in the event of your machine failing to
work properly. If you cannot localise and rectify the problem with this, please contact your service workshop.
Fault Possible cause Remedy
Pump does not start
No mains voltage Check mains voltage
Float switch (3) does not switch Move oat switch to higher position
Pump does not deliver
Pump performance reduced due to
heavily contaminated and abrasive water
impurities
Clean pump
Pump does not switch
o
Float switch (3) cannot sink
Position the pump correctly on the bottom
of the shaft
Inadequate pump
delivery
Pump performance reduced due to
heavily contaminated and abrasive water
impurities
Clean pump
Pump switches o after
short running time
Motor protection switches o the pump
due to excessive water contamination.
Pull out mains plug and clean pump and
shaft.
Water temperature too high, motor
protection switches o the device.
Observe the maximum water temperature
of 35°C!
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