Siemens G120C Error A01920: PROFIBUS: Interruption cyclic connection

Siemens G120C drive · taken from the manufacturer’s manual, pages cited

Alarm codeA01920

The cyclic connection to the PROFIBUS master has been interrupted. The manual's first action is: “Establish the PROFIBUS connection and activate the PROFIBUS master in the cyclic mode.”

Model
Siemens G120C
Display shows
PROFIBUS: Interruption cyclic connection (A01920)
Type
Alarm code
Source
Manual p. 689

What A01920 means

PROFIBUS: Interruption cyclic connection p. 689

Common causes

  • The cyclic connection to the PROFIBUS master is interrupted. p. 689

What to do

  1. Establish the PROFIBUS connection and activate the PROFIBUS master in the cyclic mode. p. 689

Before you service the product, read the safety instructions in the manual p. 4.

If A01920 is still not resolved

  • contact service / dealer p. 4
    “Warning concept This Manual contains information which you must observe to ensure your own personal safety as well as to avoid material damage.”
  • contact service / dealer p. 12
    “WARNING Danger to life if the safety instructions and residual risks are not observed”
Open the manual at page 689 All G120C error codes Manual details & download

This page summarises what the manufacturer’s manual says about A01920; 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 Siemens. Found a mistake? Report an error.