AL-KO JET 604 Manual Del Usuario página 11

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.
Garden pump runs
but is not pumping out
liquid.
Garden 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.
Water level too low.
Air is trapped in the pump chamber. Fill the pump chamber with water.
Suction hose is blocked.
Pressure line is blocked.
Pressure hose is bent.
Pressure hose is bent.
Hose diameter is too small.
Pump sucks air
Suction hose is blocked.
Pumping height is too great.
Suction height is too great.
How to remedy the malfunction:
Remove blockage in inlet area. Clean
the impeller with a jet of water.
Wait until the thermal switch has
automatically switched the pump on
again. Check the temperature of the
liquid. Have the pump checked.
Check the fuses. Have a qualified
electrician check the power supply.
Lower the hose further underwater.
DANGER!
Risk of injury due to hot water!
Clear blockage in suction hose.
DANGER!
Risk of injury due to hot water!
Clear blockage in pressure line.
Straighten out pressure hose.
Straighten out pressure hose.
Attach a hose with a larger diameter.
Check all connections and the cover
for tightness
Clear blockage in suction hose.
Lower pumping height (see technical
data).
Lower suction height (see technical
data).
GB 4