214
FR
ES
PT
IT
EL
PL
RU
KZ
UA
RO
EN
FR
ES
PT
IT
EL
PL
RU
KZ
UA
RO
EN
8.4 TROUBLESHOOTING
serious injury. Warning ! Before any trouble shooting, switch
Problems Probable causes Solutions
required
The Pump fails to
Start up
There is no electric current
Ensure that the electric current
is on
-
Pump shaft blocked.
Use a screwdriver to turn the
motor fan
bolt slightly
Pump does not
suck water
Suction hose is not in water Immerse suction hose in water
-
water
Fill with water (as explained on
the chapter priming the pump)
Air in the suction hose
Make sure the suction hose is
well sealed
Check valve dirty or leaks Clean or replace the check valve
Strainer dirty or blocked Clean the strainer
Max. suction height
exceeded
Check suction height
Inadequate
delivery rate
Suction height too high Check suction height
-
Suction kit is dirty Clean the suction kit
Pre Filter is dirty
Water level falling rapidly
Immerse intake valve deeper
and make
sure intake line well sealed.
Hose diameter and/or hose
length are not suitable with
the installation
Use a larger hose diameter or a
shorter hose length
The discharge head is too
high or there are too many
connected devices
Adjust the discharge head
and the connected devices
regarding the capacity of the
pump (please refer to technical
datasheet)
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