The pump is not running. No display on the operating panel.

Possible causes of fault:

No voltage

Defective pump


The fuse of the pump's electrical supply line has tripped. Turn the fuse back on.

If an "RCD" fault current circuit breaker has been installed in the pump's electrical supply line, it has tripped. Switch the "RCD" back on.

If these measures do not have the desired effect, please call your specialist technician.