AL-KO JET 604 Betriebsanleitung Seite 15

Troubleshooting
TROUBLESHOOTING
CAUTION!
Before you attempt to remedy any malfunction of your pump, pull the plug to prevent injury or
death due to electrocution!
Fault
Motor does not run
Garden pump runs but is not
pumping out liquid.
Garden pump is only pumping
out liquid very slowly or weakly.
ADVICE
If you are unable to remedy a malfunction, please call the AL-KO service centre nearest you.
477 216_b
Cause
Impeller is blocked.
Thermal switch has switched
off.
No power.
Water level too low.
Air is trapped in the pump
chamber.
Pump sucks air
Suction hose is blocked.
Pressure line is blocked.
Pressure hose is bent.
Pressure hose is bent.
Hose diameter is too small
Suction hose is blocked.
Pumping height is too great.
Suction height is too great.
Solution
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 tempera-
ture of the liquid. Have the pump
checked.
Check the fuses. Have a quali-
fied electrician check the power
supply.
Lower the hose further underwa-
ter.
Fill the pump chamber with wa-
ter.
Check all connections and the
cover for tightness
DANGER! Risk of injury due to
hot water! Clear blockage in suc-
tion 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 dia-
meter.
Clear blockage in suction hose.
Lower pumping height (see tech-
nical data).
Lower suction height (see tech-
nical data).
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