Zeror.ai Error Codes Siemens A01774

Siemens A01774

Brand: SiemensModel: SINAMICS G120 CU250S2Error code: A01774

What the Fault Means

Alarm: SI Motion P1 (CU): Test stop for fail-safe digital outputs required

Likely causes

  • this message does not result in a safety stop response.
  • the test must be performed within a defined, maximum time interval (p10003, maximum of 8760 hours) in order to

Solution and Safe First Checks

  1. Carry out the forced checking procedure for the digital outputs
  2. The signal source to select the forced checking procedure is set via binector input p10007.

Safety: do not work inside the panel without isolating the power; if unsure, consult a qualified technician.

Related Siemens error codes

Source: the Zeror.ai industrial fault database and Siemens technical documentation. This page is for information; on critical systems follow the manufacturer's manual and authorised service.