Siemens A01774 fault code meaning

Series: G120-CU250S-2, G120D

SI motion P1 (CU): A forced fault check of the fail-safe digital output is required

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Meaning: The forced fault detection time set in p10003 for the digital outputs has been exceeded. When forced fault detection is selected again, the message disappears and the monitoring time is reset.

Possible causes

Source: SINAMICS G120 Control Units CU250S-2 P1041; SINAMICS G120D Control Unit CU240D- 2_CU250D- 2 P854

Series: S120-S150

SI Motion CU: Forced latent fault check required

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Meaning:

Possible causes

Source: SINAMICS S120 Safety Integrated Function Manual P30