11
GB
MALFUNCTIONS
Before you attempt to remedy any malfunction of your domestic water system, pull the plug to
prevent injury or death due to electrocution!
If you are unable to remedy a malfunction, please call the AL-KO service centre nearest you.
What is wrong? What is the possible reason? What to do:
Motor does not run. Impeller is blocked.
Thermal switch has switched off.
No power.
Clean the pump.
Wait until the thermal switch has
automatically switched the pump on
again. Check the temperature of the
liquid. Have the pump checked.
Have the power supply checked by a
qualified electrician.
System runs but does
not pump out liquid.
Suction hose is not immersed in the
liquid to be pumped.
Suction hose is blocked.
Suction height is too great.
Air is trapped in the suction hose.
Pump is dry.
Make sure that the suction hose is at
least 30 cm beneath the surface.
Clear the blockage.
Lower suction height.
Check for leaks in the suction hose.
Fill the pump with water.
System is only pumping
out liquid very slowly or
weakly.
Suction hose is blocked.
Suction height is too great.
Pressure hose diametre is too small.
Pumping height is too great.
Clear the blockage.
Lower suction height.
Attach a pressure hose with a larger
diametre.
Lower pumping height.
Pump does not run
reliably.
Air pressure in reservoir is too low. Check the air pressure in the
reservoir at the valve (5) and correct
to about 1.5 bar if necessary.
To Next Page
Loading...
Need help?
General
