Troubleshooting
Fault
Little infeed/too much top-up
No water at tapping points
Tank deformation
Odour
Quality of process water
Pressure pump keeps starting
Leakage
Noise
Rote LED on display/display indicates error message
A: Little infeed/too much top-up
Fault
System runs continuously
Drinking water top-up
(VA4 constantly open)
Submersible pump P1/P2
delivers no water
Message fault P1/P2
All the water does not flow into
stage 1 but passes the prefilter
(F1) straight into the drains
(loss)
Top-up valve (VA4) is leaky
Filter backwash valve (VA3) is
leaky
Incorrect values are output by
the sensors
30
Check (possible causes)
Running-in phase active
(green LED flashes)
Emergency mode active
Function test in manual mode
Submersible pump not in water/
not primed.
Filter basket clogged
Feed flow rate too high
Turbulent feed conditions
Visual inspection
Visual inspection
Pressure pump keeps starting
although the shut-off valve is
closed
Compare: water level in stage =
status display levels
Operating Manual AC 3000-13500
Section
a
b
c
d
e
f
g
h
i
Corrective action
Deactivate running-in phase
Deactivate emergency mode
Dismantle pump and remove
blockage
Too little inflow into the system
Replace pump
Manually activate filter
backwash
Clean filter basket
Possibly throttle upstream
pumping system
Check calming section of the
feed / lengthen it to ensure
laminar flow conditions
Actuate several times in manual
mode
Dismantle and clean the valve
Inform plumber (replacement)
Actuate several times in manual
mode
Dismantle and clean the valve
Inform plumber (replacement)
Check connections of sensor
cables to tanks
Dirt
Inform plumber
300108/AV/Draft