Siemens CU240S Error F01611: Defect in cross comparis.

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

Fault codeF01611

Cross comparison between processors failed, suggesting communication or processing issues. The manual lists no action for this code.

Model
Siemens CU240S
Display shows
Defect in cross comparis. (F01611)
Type
Fault code
Source
Manual p. 400

What F01611 means

Defect in cross comparis. p. 400

Common causes

  • r0949 = 100: P2 has entered the safe torque off due to a drive fault on P2 or a subsequent fault of F1600/F1630 p. 400
  • r0949 = 102: Dynamic checksums are different on P1. Cross comparison fault or problem with processor communication. p. 400
  • r0949 = 103: Derived frequency is different on both processors. Cross comparison fault or problem with processor communication. p. 400
  • r0949 = 104: Frequency error on P1 caused by VFM . p. 400
  • r0949 = 201: Frequency check with error on P2. p. 400
  • r0949 = 202: Dynamic checksums are different on P2. Cross comparison fault or problem with processor communication. p. 400

If F01611 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 F01611; 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.