Grundfos CUE Error 30: Replace motor bearings

CUE frequency converter · taken from the manufacturer’s manual, pages cited

Alarm code30

The Grundfos CUE indicates the motor bearings need replacement. The manual lists no action for this code.

Model
Grundfos CUE
Display shows
Replace motor bearings (30)
Type
Alarm code
Source
Manual p. 38

What 30 means

Replace motor bearings p. 38

If 30 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Grundfos service.

This page summarises what the manufacturer’s manual says about 30; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Grundfos. Found a mistake? Report an error.