Speck pumpen SUPI, Translation Of Original Operation Manual

Page: 72 / 84

Faults
30 EN 09|2017
Possible cause Solution
volume when switching
on).
 Check and if necessary
expand the pre-
compression every 6
months for diaphragm
pressure vessels.
Pressure vessel/diaphragm
pressure vessel is too small.  Increase the volume of the
vessel.
Problem: Pump turns on without water extrtaction
Possible cause Solution
Pipework is leaky.  Check and repair
pipework.
Riser is damaged.  Repair or replace riser.
Non-return valve is leaky.

Repair or replace non-
return valve.