DAB TALLAS 20/1 M Manuel D'instructions page 17

In normal operation the electropump does not require any kind of maintenance.
It is recommended to have the system overhauled every 6 months by a
specialised technician.
In the event of long periods of inactivity it is recommended to start up the pump 2
or 3 times a month.
If a join is to be made in the electric cable, use a cable with an adequate section.
It is not possible to carry out any work on the motors since they are made
impermeable by the manufacturer.
6. PROBLEMS
1. The pump does not distribute.
2. Reduced flow rate and pressure.
3. The pump starts and stops frequently.
4. The motor does not start.
ENGLISH

Lowering of the water table.

Check valve blocked.

Pump clogged by impurities.

Check the direction of rotation.

Check the state of wear of the pump.

Check
clogged.

Check for any leaks in the system.

Check operation of the check valve
and the dimensions of the tank.

Check for any leaks in the system.

Check the pressure switch and the
probes (if present)

Dry running, if an electronic control
unit with this function is present.

Check that all the phases are
present.

Check that the motor is live.
15
that the pipes are not