Al-Ko HW 600 Eco [25/240] Fied electrician

Al-Ko HW 600 Eco [25/240] Fied electrician
469929_a 25
Help in case of malfunction
10 HELP IN CASE OF MALFUNCTION
DANGER!
Danger of electric shock.
When working on the pump, there is the risk of receiving an
electric shock.
Disconnect the mains plug before correcting any malfunc-
tions!
Faults in the electrical system must be rectified by a quali-
fied electrician.
Malfunction Possible cause Remedy
Engine does not run. Impeller blocked Cleaning the pump. Release the mo-
tor shaft of the impeller with a screw-
driver.
Thermal protection switch has
switched off.
Check the water level on the suction
side. Allow the conveying fluid to
cool down. Repair or replace the
pump.
No mains power. Check fuses, have the power supply
checked by a qualified electrician.
Pump running but does not
feed.
Water level too low. Submerge the suction line deeper.
Pump drawing air into the suc-
tion line.
Check all the connections of the
suction line for leaks.
Replace seal ring.
Pump drawing in air. Check all connections and the cover
on the filter for leaks.
Blockage on the suction side. Remove dirt from the suction area.
Pressure line closed off. Open the pressure lone.
Pump has been running dry. Fill the pump housing with water.
Pump switches on and off
frequently.
Diaphragm is damaged. Have the diaphragm replaced by AL-
KO Service Department.
Low air pressure in the storage
vessel.
Top up the air in the storage vessel.
(Set the diaphragm pressure to 1.5
bar).
Pump does not switch off
with a closed pressure line.
Pump drawing air, water short-
age on suction side.
Switch pump off and allow to cool.

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