Siemens CU240S Error A00704: PROFIBUS: loose of links

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

Fault codeA00704

PROFIBUS lost subscriber information, indicating a link failure or communication issue. The manual's first action is: “temporary, if permanent the fault detection is activated”

Model
Siemens CU240S
Display shows
PROFIBUS: loose of links (A00704)
Type
Fault code
Source
Manual p. 394

What A00704 means

PROFIBUS: loose of links p. 394

Common causes

  • lost subscriber information p. 394

What to do

  1. temporary, if permanent the fault detection is activated p. 394

If A00704 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 A00704; 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.