Zeror.ai Error Codes Siemens F01660

Siemens F01660

Brand: SiemensModel: SINAMICS G120Error code: F01660

What the Fault Means

Fault: Wrong safety checksum

Likely causes

  • r0949 = 0: Attempt to leave safety commissioning with r9798 != p9799.
  • r0949 = 1: Attempt to leave safety commissioning with r9898 != p9899.
  • r0949 = 2: Attempt to leave safety commissioning with r9798 != r9898.

Solution and Safe First Checks

  1. Refer to Siemens G120 manual

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.

Siemens F01660 · Zeror.ai