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R
8.4 TROUBLESHOOTING
S
T
T
Problems
L
The Pump fails to
Start up
L
U
Z
Pump does not
suck water
A
O
N
Inadequate
delivery rate
serious injury. Warning ! Before any trouble shooting, switch
Probable causes
There is no electric current
Pump shaft blocked.
Suction hose is not in water
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
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
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)
215
FR
ES
PT
IT
required
EL
-
PL
RU
KZ
-
UA
RO
EN
-
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