Siemens CU240S Error F01659: Denial of paramet. change

Siemens CU240S · taken from the manufacturer’s manual, pages cited

Fault codeF01659

Denial of paramet. change means the drive failed to finalize safety parameters, due to incorrect password or tolerance settings. The manual lists no action for this code.

Model
Siemens CU240S
Display shows
Denial of paramet. change (F01659)
Type
Fault code
Source
Manual p. 403

What F01659 means

Denial of paramet. change p. 403

Common causes

  • r0949 = 0: Problem during finalization of safety parameters. Drive has reloaded the old data. p. 403
  • r0949 = 1: Safety password not set correctly. p. 403
  • r0949 = 3: Tolerance too small (p9891 < p9890). Increase tolerance! p. 403
  • r0949 = 203: Tolerance too small (p9891 < p9890). Increase tolerance! p. 403

If F01659 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Siemens service.

This page summarises what the manufacturer’s manual says about F01659; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Siemens. Found a mistake? Report an error.