English (GB)
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10. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
8. Water from shower or
another appliance
connected to the lower
inlets drains off slowly.
Backflow from the
lifting station.
a) Non-return flap in inlet stuck,
does not open or does not close
sufficiently.
Check the non-return flap.
b) Hydraulics or grinder blocked. Check and clean the hydraulics and
grinder.
c) The start level has changed. Check and clean the pressure switch
pipe.
d) Inlet pipe diameter is too small. Use a pipe with a larger diameter.
Fault Cause Remedy