AL-KO SUB 6000 Manual De Instrucciones página 14

en
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
Submersible pump runs but is
not pumping out liquid.
Submersible pump is only pum-
ping out liquid very slowly or
weakly.
If you are unable to remedy a malfunction, please call the AL-KO service centre nearest you.
14
Cause
Impeller is blocked
Thermal switch has switched off Wait until the thermal switch has
No power
Float switch does not work
even though liquid is above cut-
in level
Air is trapped in the pump hou-
sing
Suction slots are blocked
Pressure line is blocked
Pressure hose is bent
Hose diameter is too small
Suction slots are blocked
Pumping height is too great
Troubleshooting
Solution
Remove blockage in inlet area.
Clean the impeller with a jet of
water
automatically turned the pump
on again. Check water tempera-
ture. Have the pump checked
Have a qualified electrician
check the power supply
Send pump to your nearest AL-
KO service centre
Tilt the pump to let the trapped
air out
Remove blockage and clean
suction slots
Clear blockage in pressure line
Straighten out pressure hose
Attach a hose with a larger dia-
meter
Remove blockage and clean
suction slots
Lower pumping height
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