TDS 1001/3 TDS 1201/4 - AL-KO

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? What is the possible reason? How to remedy the malfunction:
Motor does not run. Impeller is blocked. Remove blockage in inlet area.
Clean the impeller with a jet of
water.
Thermal switch has switched off. Wait until the thermal switch
has automatically turned the
pump on again. Check water
temperature. Have the pump
checked.
No power. Have a qualified electrician
check the power supply.
Submersible pump runs but is
not pumping out liquid.
Submersible pump is only pumping
out liquid very slowly or
weakly.
Float switch does not work even
though liquid is above cut-in
level.
Air is trapped in the pump housing.
Send pump to your nearest
AL-KO service centre.
Tilt the pump to let the trapped
air out.
Inlet strainer is blocked. Remove blockage and clean
inlet strainer.
Pressure line is blocked. Clear blockage in pressure
line.
The non-return valve is installed
the wrong way round
Install the non-return valve
correctly (flap opens upwards)
Pressure hose is bent. Straighten out pressure hose.
Hose diameter is too small. Attach a hose with a larger
diameter.
Inlet strainer is blocked. Remove blockage and clean
inlet strainer.
Pumping height is too great. Lower pumping height.
If you are unable to remedy a malfunction, please call the AL-KO service centre nearest you.
Translation of original user instructions GB 4