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Malfunctions
Before you attempt to remedy any malfunction of your pump, pull the plug to prevent injury
or death due to electrocution!
What is wrong?
Motor does not run.
Submersible pump runs but is
not pumping out liquid.
Submersible pump is only pump-
ing out liquid very slowly or
weakly.
If you are unable to remedy a malfunction, please call the AL-KO service centre nearest you.
All manuals and user guides at all-guides.com
What is the possible reason?
Impeller is blocked.
Thermal switch has switched off. Wait until the thermal switch
No power.
Float switch does not work even
though liquid is above cut-in
level.
Air is trapped in the pump hous-
ing.
Suction slots are blocked.
Pressure line is blocked.
Pressure hose is bent.
Hose diameter is too small.
Suction slots are blocked.
Pumping height is too great.
How to remedy the malfunc-
tion:
Remove blockage in inlet area.
Clean the impeller with a jet of
water.
has automatically turned the
pump on again. Check water
temperature. Have the pump
checked.
Have a qualified electrician
check the power supply.
Send pump to your nearest
AL-KO service centre.
Tilt the pump to let the trapped
air out.
Remove blockage and clean
suction slots.
Clear blockage in pressure
line.
Straighten out pressure hose.
Attach a hose with a larger
diameter.
Remove blockage and clean
suction slots.
Lower pumping height.
GB 4
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