DAB BOOSTERSILENT Manuel d'instruction - Page 5

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MAINTENANCE AND CLEANING

It is absolutely essential to prevent any risk of the pump freezing. In the event of freezing temperatures,

remove the pump from the liquid, empty it and keep it in a place where it cannot freeze.

The pump must be disconnected from the mains before performing any cleaning operation.

The pump is maintenance free.

TROUBLESHOOTING

Before taking any troubleshooting action, disconnect the pump from the power supply.

If there is any damage to the power cord or pump, any necessary repairs or replacements must

be handled by the manufacturer or his authorized customer support service, or by an equally-

qualified party, in order to prevent all risks.

Multi-impeller self priming Surface pumps and Boosters with tank

Fault

The pump does not

1) no power.

turn on

2) shaft blocked

The pump turns but

1) the air inside the pump has not been

does

not

deliver

water

3) - the suction valve is not submerged in

water

The

pump

stops

1) The power supply does not conform to

due to overheating

caused

the

opening

the

2) A solid object has blocked the impeller.

overheating thermal

3) The pump has been operating with water

protection

Cause

completely bled. Pump casing without

water.

2) entry of air from the suction pipe.

- suction valve blocked

- the maximum suction depth has been

exceeded

that on the rating plate of the motor

(voltage too high or too low).

that is too hot.

4) The pump ran dry or ran with the delivery

tap closed for more than 10 minutes.

1) check if power is supplied to the

socket and that the plug is correctly

inserted.

2) remove the plug from the power

socket and insert a screwdriver into

the notch on the shaft (from the

cooling fan side) and unblock it by

turning the screwdriver.

1) stop the pump, unscrew the

delivery pipe, shake the pump and

suction hose to remove any air

bubbles. Top up with water, connect

the hose ensuring it is correctly sealed

and start the pump again.

2) check that the joints of the suction

hose have been performed correctly.

Make sure there are no counterslopes,

traps, goosenecks or constriction on

the suction pipe and that the foot valve

is not blocked.

3) - place the suction valve in water

- clean the foot valve

- clean the suction basket

- check the suction depth.

1)-4) remove the plug, remove the

cause of the overheating, wait for

the motor to cool and start it again.

Solution