Siemens CU240S Error F00080: AI lost Input Signal

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

Fault codeF00080

AI lost Input Signal indicates either a broken wire or signal out of limits for an analog input channel. The manual lists no action for this code.

Model: Siemens CU240S
Display shows: AI lost Input Signal (F00080)
Type: Fault code
Source: Manual p. 388

Meaning
Common causes
Still not solved
Source

What F00080 means

AI lost Input Signal p. 388

Common causes

Broken wire p. 388
Signal out of limits p. 388

If F00080 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 388 All CU240S error codes Manual details & download

This page summarises what the manufacturer’s manual says about F00080; 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.