AL-KO SUB 6500 CLASSIC - Инструкция по эксплуатации - Страница 13

Help in case of malfunctions

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13

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 immersion pump switches on

again. Take note of the maximum tem-

perature of the conveying medium.

Have the immersion 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 immersion pump to an AL-

KO service facility.

Air in pump housing.

Vent the immersion pump by holding it

at an angle.

Blockage on the suction side.

Remove dirt in the suction area.

Pressure line closed off.

Open the pressure lone.

Pump running but

des 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 to high.

Observe max. feed head, see technical

data!

ADVICE

If the faults cannot be rectified, please contact our customer service department.