During operation

CAUTION

Do not allow the pump to dry run!

Do not run the pump without fluid (dry run). Switch off the pump once the residual water level has been reached. Dry running may destroy the seal and cause the pump to be irreparably damaged.

Check the following points:

Inlet quantity corresponds to the pump delivery rate.
Float switch is operating correctly.
Connection cable is not damaged.
Pump free from deposits and encrustations.