Siemens CU240S Error F01655: Fault at processor reset

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

Fault codeF01655

Fault at processor reset indicates a timeout issue during safety reset on either P1 or P2 processor. The manual lists no action for this code.

Model: Siemens CU240S
Display shows: Fault at processor reset (F01655)
Type: Fault code
Source: Manual p. 403

Meaning
Common causes
Still not solved
Source

What F01655 means

Fault at processor reset p. 403

Common causes

r0949 = 100: Safety reset timeout on P1. p. 403
r0949 = 200: Safety reset timeout on P2. p. 403

If F01655 is still not resolved

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

Open the manual at page 403 All CU240S error codes Manual details & download

This page summarises what the manufacturer’s manual says about F01655; 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.