Siemens A0921 fault code meaning

Siemens / A0921

Series: MM420

DAC parameter setting

converter

Meaning:

Possible causes

Source: 420 P68

Series: MM430

DAC parameters not correctly set

converter

Meaning: The DAC parameters should not be set to the same value, as this would produce illogical results. Index 0: Identical output parameter settings. Index 1: Identical input parameter settings. Index 2: Input parameter setting mismatch with type DAC.

Possible causes

Source: Parameter List_ MICROMASTER 430 P263

Series: MM440

DAC parameters not set properly

converter

Meaning: The DAC parameters (P0777 and P0779) have the same value. Alternatively, the DAC parameters (P0778 and P0780) have the same value. Identical values produce illogical results.

Possible causes

Source: Parameter List_ MICROMASTER 440 P323

Series: V10

DAC parameter not set correctly

converter

Meaning:

Possible causes

Source: SINAMICS V10 P101