FR
Problems
ES
The Pump fails to
Start up
PT
IT
EL
PL
Pump does not
suck water
RU
KZ
UA
RO
EN
Inadequate
delivery rate
The pump stops
during operation
(Thermostat
switched pump
o )
Probable causes
There is no electric current
Pump shaft blocked.
Suction hose is not in water
Pump head not filled with
water
Air in the suction hose
Check valve dirty or leaks
Strainer dirty or blocked
Max. suction height
exceeded
Suction height too high
Suction kit is dirty
Pre Filter is dirty
Water level falling rapidly
Hose diameter and/or hose
length are not suitable with
the installation
The discharge head is too
high or there are too many
connected devices
"A solid body is blocking the
impeller"
Water is too hot.
Pump running dry
Solutions
Ensure that the electric current
is on
Use a screwdriver to turn the
motor fan
bolt slightly
Immerse suction hose in water
Fill with water (as explained
on the chapter "priming the
pump")
Make sure the suction hose is
well sealed
Clean or replace the check valve
Clean the strainer
Check suction height
Check suction height
Clean the suction kit
Clean the filter
"Immerse intake valve deeper
and make
sure intake line well sealed."
"Use a larger hose diameter or a
shorter hose length"
Adjust the discharge head
and the connected devices
regarding the capacity of the
pump (please refer to technical
datasheet)
"Connect discharge line to
water line,
disconnect suction hose, open
the water
line. Switch on the pump for
several times
for approx. 2 sec."
"Ensure water temperature
does not
exceed 35°C."
Immerse suction hose in water
21
206
required
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