Problem Possible Cause Remedy
Pump runs, but the suction
action doesn’t take place
The waiting time wasn’t
observed.
v Switch on the pump and
wait up to 5 min.
Suction filter or backflow
preventer in the suction hose
clogged.
v Clean the filter or the back
flow preventer.
Too high suction height.
v Reduce suction height.
In case of any other difficulties concerning the suction action,
use GARDENA Suction Hoses with Backflow Preventer
(see point “8. Available accessories”) and fill in the liquid to
be pumped over the filler cap
7
before operation.
Pump motor runs,
but delivery capacity
or pressure suddenly
decreases
Suction filter at the suction
hose is sucked free.
v Reduce flow rate on the
delivery side with a control
valve, e.g. GARDENA
art. no. (2)977.
Suction filter or backflow
preventer clogged.
v Clean filter or back-flow
preventer.
Leaks at suction side.
v Eliminate leak.
Impeller blocked.
v Release impeller.
Pump motor doesn’t start
or suddenly stops
No power.
v Check fuses and electric
connections.
Circuit breaker has switched off
the motor due to overheating /
overload.
v Ensure sufficient cooling /
ventilation and clean the
impeller chamber.
Electric failure.
v Send the pump to one
of our GARDENA Service
Centres.
Noise development in the
hydraulic area
In the case of strong flows (e.g. open hose end, without
connect ing device), noise may result in the hydraulic part of
the pump. This is harmless and does not lead to damage
of the pump. The noise can be removed by lightly changing
the flow (e.g. light opening/closing of a connecting device).
For any other malfunctions please contact the GARDENA service department.
Repairs must only be carried out by GARDENA service departments or specialist
dealers authorised by GARDENA.
16
GB
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