Faults without error messages

Faults with external interference sources

Faults

Causes

Remedy

Pump is not running.

Fuse protection defect.

Check fuses.

Pump has no voltage.

Reconnect the voltage.

Pump makes noises.

Cavitation through
insufficient suction pressure.

Increase system feed pressure within
permissible range.

Check
delivery head setting, set to lower delivery head if required.