Danfoss 100 FLOW Error ID 522: Safety diagnostics

Danfoss 100 FLOW · taken from the manufacturer’s manual, pages cited

Fault codeID 522

A short circuit exists in the ATEX thermistor input connection. The manual's first action is: “Check the ATEX thermistor input connection.”

Model
Danfoss 100 FLOW
Display shows
Safety diagnostics (ID 522)
Type
Fault code
Source
Manual p. 305

What ID 522 means

Safety diagnostics p. 305

Common causes

  • A short circuit in the connection of the ATEX thermistor input. p. 305

What to do

  1. Check the ATEX thermistor input connection. p. 305
  2. Check the external ATEX connection. p. 305
  3. Check the external ATEX thermistor. p. 305

If ID 522 is still not resolved

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

Open the manual at page 305 All 100 FLOW error codes Manual details & download

This page summarises what the manufacturer’s manual says about ID 522; 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 Danfoss. Found a mistake? Report an error.