Al-Ko HW 601 Inox [14/118] Malfunctions

Al-Ko HW 601 Inox [14/118] Malfunctions
Malfunctions
What is wrong?
Before you attempt to remedy any malfunction of your domestic water system, pull the plug
to prevent injury or death due to electrocution!
!
What to do:
What is the possible reason?
Motor does not run. Impeller is blocked. Clean the pump.
Thermal switch has switched off. Wait until the thermal switch has
automatically switched the pump on
again. Check the temperature of the
liquid. Have the pump checked.
No power. 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.
Make sure that the suction hose is at
least 30 cm beneath the surface.
Suction hose is blocked. DANGER!
Risk of injury due to hot water!
Clear blockage in suction hose.
Pressure line is blocked. DANGER!
Risk of injury due to hot water!
Clear blockage in pressure line.
Suction height is too great. Lower suction height.
Air is trapped in the suction hose. Check for leaks in the suction hose.
Pump is dry. Fill the pump with water.
System is only
pumping out liquid
very slowly or weakly.
Suction hose is blocked. Clear the blockage.
Suction height is too great. Lower suction height.
Pressure hose diametre is too
small.
Attach a pressure hose with a larger
diametre.
Pumping height is too great. 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.
Pump fails to switch
off automatically
Water shortage inlet side,
Pump sucks in air
Unplug the pump, allow to cool down
if necessary
If you are unable to remedy a malfunction, please call the AL-KO service centre nearest you.
GB 5

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