Siemens MICROMASTER 420 Error A0921: DAC parameters not set properly

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

Warning codeA0921

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

Model
Siemens MICROMASTER 420
Display shows
DAC parameters not set properly (A0921)
Type
Warning code
Source
Manual p. 73

What A0921 means

DAC parameters not set properly p. 73

Common causes

  • DAC 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 Output parameters should not be set to the same value as each other p. 73

If A0921 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 A0921; 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.