Danfoss 100 FLOW Error 53: Fieldbus Communication Fault

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

Fault code53

Fieldbus Communication Fault occurs due to a defective data connection between fieldbus master or redundant control changing connections. The manual's first action is: “Check the installation and fieldbus master.”

Model
Danfoss 100 FLOW
Display shows
Fieldbus Communication Fault (53)
Type
Fault code
Source
Manual p. 310

What 53 means

Fieldbus Communication Fault p. 310

Common causes

  • The data connection between the fieldbus master and the fieldbus board is defective. p. 310
  • The data connection between controlling fieldbus and the drive has timed out. Redundant control has changed the controlling fieldbus connection. p. 310
  • The data connection between controlling fieldbus protocols and the drive has timed out. p. 310

What to do

  1. Check the installation and fieldbus master. p. 310
  2. Check the installation and the communication cables. p. 310

If 53 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 310 All 100 FLOW error codes Manual details & download

This page summarises what the manufacturer’s manual says about 53; 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.