Siemens MICROMASTER 420 Error A0920: ADC parameters not set properly

Siemens MICROMASTER 420 inverter · taken from the manufacturer’s manual, pages cited

Warning codeA0920

ADC parameters not set properly The manual's first action is: “Analogue input parameters should not be set to the same value as each other”

Model
Siemens MICROMASTER 420
Display shows
ADC parameters not set properly (A0920)
Type
Warning code
Source
Manual p. 73

What A0920 means

ADC parameters not set properly p. 73

Common causes

  • ADC parameters should not be set to identical values, since this would produce illogical results. p. 73

Safety warnings — read before you start

  • DANGERDANGER. indicates an immiently hazardous situation which, if not avoided, will result in death or serious injury. p. 6

What to do

  1. Analogue input parameters should not be set to the same value as each other p. 73

If A0920 is still not resolved

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

This page summarises what the manufacturer’s manual says about A0920; 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.