Grundfos Sololift2 C-3 - Rattling Noise Troubleshooting; Tank Odor Troubleshooting; Slow Drainage and Backflow Issues

6.6 Rattling noise from the lifting station,
but water is evacuated
Cause Remedy
A foreign body is
hitting the impeller.
• Remove the foreign
body.
6.7 Odour from the tank
Cause Remedy
The carbon filter is
contaminated.
• Replace the carbon
filter.
6.8 Water from shower or another appliance
connected to the lower inlets drains off
slowly, and there is backflow from the
lifting station
Cause Remedy
The hydraulics are
blocked.
• Check that the motor
shaft can rotate freely.
Remove the motor
flange to clean the
impeller.
The start level has
changed.
• Check and clean the
float switch pipe.
The inlet pipe
diameter is too small.
• Use a pipe with a
larger diameter.
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English (GB)