Rattling Noise From The Lifting Station, But Water Is Evacuated; Odour From The Tank; Water From Shower Or Another Appliance Connected To The Lower Inlets Drains Off Slowly, And There Is Backflow From The Lifting Station - Grundfos SOLOLIFT2 C-3 Installation And Operating Instructions Manual

6.6 Rattling noise from the lifting station,
but water is evacuated
Cause
A foreign body is
hitting the impeller.

6.7 Odour from the tank

Cause
The carbon filter is
contaminated.
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
The hydraulics are
blocked.
The start level has
changed.
The inlet pipe
diameter is too small.
10
Remedy
• Remove the foreign
body.
Remedy
• Replace the carbon
filter.
Remedy
• Check that the motor
shaft can rotate freely.
Remove the motor
flange to clean the
impeller.
• Check and clean the
float switch pipe.
• Use a pipe with a
larger diameter.