Grundfos CUE Error 1: Too high leakage current

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

Alarm code1

The Grundfos CUE detected a too high leakage current. The manual's first action is: “Stop”

Model
Grundfos CUE
Display shows
Too high leakage current (1)
Type
Alarm code
Source
Manual p. 38

What 1 means

Too high leakage current p. 38

What to do

  1. Stop p. 38

If 1 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 1; 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.