Endress+Hauser FMI51, FMI52 Error A 428: Probe insulation break detection

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

Fault codeA 428

Probe insulation break has been detected on the Endress+Hauser FMI51, FMI52. The manual's first action is: “Verify probe”

Model
Endress+Hauser FMI51, FMI52
Display shows
Probe insulation break detection (A 428)
Type
Fault code
Source
Manual p. 86

What A 428 means

Probe insulation break detection p. 86

Common causes

  • Probe insulation break detection p. 86

What to do

  1. Verify probe p. 86

If A 428 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 A 428; 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.