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Просмотр инструкции насосы Al-ko SUB 12000 DS COMFORT, страница 18
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Help in case of malfunctions
18 SUB 10000-13000 DS / TWIN 11000-14000
HELP IN CASE OF MALFUNCTIONS
CAUTION!
Disconnect the mains plug before any fault rectification work! Faults in the electrical system
must be rectified by a qualified electrician.
Malfunction Possible cause Solution
Impeller blocked. Remove dirt in the suction area.
Clean with a suitable tool through the
opening at the back of the motor hou-
sing.
Thermal protection switch has swit-
ched off.
Wait until the thermal protection switch
on the pump switches on again. Take
note of the maximum temperature of
the conveying medium. Have the im-
mersion pump inspected.
No mains power. Check the fuses, have the power sup-
ply checked by a qualified electrician.
Motor does not
run
Float switch does not switch off when
the water level rises.
Send the pump to an AL-KO service
facility.
Air in pump housing. Dry running. Au-
tomatic switch off after 90 seconds.
Vent the pump by holding it at an
angle. Adjustable foot set incorrectly.
Blockage on the suction side. Remove dirt in the suction area.
Pressure line closed off. Open the pressure line.
Pump running but
does not feed.
Pressure hose kinked. Extend the pressure hose.
Hose diameter too small. Use a bigger pressure hose.
Blockage on the suction side. Remove dirt in the suction area.
Feed rate too low
Feed head too high. Observe max. feed head, see technical
data Page 5.
Only pumps with level switch
Pump running
continuously.
Float body blocked
Switch set incorrectly.
Clean the float body.
Adjust the switch correctly.
Pump is always
off.
Float body blocked
Water level too low
Clean the float body.
ADVICE
If the faults cannot be rectified, please contact our customer service department.
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