AL-KO SUB 10000 DS COMFORT - Инструкция по эксплуатации - Страница 18

en

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.