English (GB)
23
5.
You can reset
the pump, but
it runs only
for a few
seconds.
Yes
a)
Dry running or water
shortage.
Check the water source, and
prime the pump.
Yes
b)
The inlet pipe is blocked
by impurities.
Clean the inlet pipe.
Yes
c)
The foot or non-return
valve is blocked in closed
position.
Clean, repair or replace the foot
or non-return valve.
Yes
d)
There is a leakage in the
inlet pipe.
Repair the inlet pipe.
Yes
e)
Air in the inlet pipe or the
pump.
Prime the inlet pipe and the
pump. Check the inlet
conditions of the pump.
6.
You can reset
the pump, but
it starts
repeatedly,
immediately
after
stopping.
No
a)
The internal non-return
valve is defective or
blocked in completely or
partly open position.
Clean, repair or replace the
non-return valve.
No
b)
The tank precharge
pressure is not correct.
Adjust the tank precharge
pressure to 70 % of the required
outlet pressure.
Fault
Grun
df
o
s
Ey
e
Ind
icator
lig
ht
Au
to
ma
ti
c
r
e
se
t
Cause
Remedy
