Problems
There is no electric current
The Pump fails to
Pump shaft blocked.
Start up
Suction hose is not in water
Pump head not filled with
Pump does not
Air in the suction hose
suck water
Check valve dirty or leaks
Strainer dirty or blocked
Suction height too high
Water level falling rapidly
Inadequate
delivery rate
Hose diameter and/or hose
length are not suitable with
The discharge head is too
high or there are too many
"A solid body is blocking the
The pump stops
during operation
(Thermostat
switched pump
o )
Probable causes
water
Max. suction height
exceeded
Suction kit is dirty
Pre Filter is dirty
the installation
connected devices
impeller"
Water is too hot.
Pump running dry
193
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
FR
FR
required
ES
ES
PT
PT
-
IT
IT
EL
EL
PL
PL
RU
RU
-
KZ
KZ
UA
UA
RO
RO
EN
EN
-