AL-KO TSE 250 Mode D'emploi page 11

M
ALFUNCTIONS
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
pumping out liquid very
slowly or weakly.
If you are unable to remedy a malfunction, please call the AL-KO service centre nearest you.
What is the possible reason?
Impeller is blocked.
Thermal switch has switched off.
No power.
Float switch does not work even
though liquid is above cut-in level.
Air is trapped in the pump housing.
Suction slots are blocked.
Pressure line is blocked.
Pressure hose is bent.
Hose diametre is too small.
Suction slots are blocked.
Pumping height is too great.
Liquid is too dense.
How to remedy the malfunction:
Remove blockage in inlet area. Clean
the impeller with a jet of water.
Wait until the thermal switch has auto-
matically 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 diametre.
Remove blockage and clean suction
slots.
Lower pumping height.
The liquid cannot be pumped.
GB
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