Endress+Hauser FMI51, FMI52 Error W 429: Prooftest active

Capacitive level transmitter · taken from the manufacturer’s manual, pages cited

Fault codeW 429

Prooftest is currently active on the Endress+Hauser FMI51, FMI52. The manual's first action is: “Wait until the prooftest is completed”

Model
Endress+Hauser FMI51, FMI52
Display shows
Prooftest active (W 429)
Type
Fault code
Source
Manual p. 86

What W 429 means

Prooftest active p. 86

Common causes

What to do

  1. Wait until the prooftest is completed p. 86

If W 429 is still not resolved

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

Open the manual at page 86 All FMI51, FMI52 error codes Manual details & download

This page summarises what the manufacturer’s manual says about W 429; 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 Endress+Hauser. Found a mistake? Report an error.