Siemens A07942 fault code meaning

Siemens / A07942

Series: G130-G150

"Main power supply-drive" synchronization: Set frequency differs significantly from target frequency

converter

Meaning: There is a significant mismatch between the reference frequency and the target frequency (f_ reference <> f_ target). The permissible deviation is set in p3806.

Possible causes

Source: SINAMICS G130_G150 P1678

Series: G220, S220

Motor-to-mains synchronization: Set frequency differs significantly from target frequency

converter

Meaning: There is a significant mismatch between the frequency setting and the target frequency (f_ setting <> f_ target). Set the permissible deviation in p3806.

Possible causes

Source: SINAMICS G220 Converter P1381; SINAMICS S220 Converter P2370

Series: S120-S150

"Main power supply-drive" synchronization: Set frequency differs significantly from target frequency

converter

Meaning:

Possible causes

Source: SINAMICS S120_S150 P2830