25
GB
Trouble-Shooting
Problem Probable cause Remedy
Pump motor runs,
Leaks at suction side. Eliminate leak.
but delivery capacity
or pressure suddenly
Suction filter on suction hose Throttle the pump on the deliv-
decreases
is partially or entirely exposed. ery side to adjust the flow rate
of the inlet side to the rate of
the delivery side. Observe min.
flow rate (see “Technical Data”).
Suction filter or backflow pre- Clean filter or backflow pre-
venter clogged. venter.
Pump doesn’t deliver water
Leaks at suction side. Eliminate leak.
Pump switches on and off
Dirt has collected on the impeller 1. Return valve set to
continuously if liquid is
of the manometric switch. position
2
.
drawn at a rate greater
2. Rinse Pump.
than 400 l / h
Pump doesn’t start or
No power. Check fuses and electric
suddenly stops during
connections.
operation
Circuit breaker has cut out the Observe max. liquid temper-
pump because of overloading. ature (35 °C).
Electric failure. Send the pump to one of our
GARDENA Service Centres.
Pump switches on and off
Leak on the pressure side. Check the pressure line and
without drawing-off water
connected consumers for leaks.
for long intervals
The non-return valve shall be
at position
RUN
when localising
faults.
Note: Even the smallest leak
(loss of a few ml) can cause
the pressure in the pump to
drop. The cause of this is often
small leaks at taps and toilet
flushing cisterns.
Pump permanently switches
Switch / backflow valve set Set the switch to
RUN
.
on and off after drawing off
to
START
.
water
Larger leaks on the pressure side. Rectify leaks.
Pump doesn’t start working
Outlet end (e.g. water accessory) Open the outlet end.
is closed. There is sufficient water
pressure in the pressure line.
A
In the event of other faults please contact GARDENA Service.
Repairs should only be carried out by GARDENA service centres or dealers
authorised by GARDENA.
