Scan time exceeded because program scanning time exceeds set monitoring time. The manual's first action is: “Check the program for continuous loops. If necessary, retrigger the scan time with OB31 or change the monitoring time.”
- Model
- Siemens S5-115U
- Display shows
- ZYK
- Type
- Error code
- Source
- Manual p. 139
What ZYK means
Scan time exceeded: The set maximum permissible program scan time has been exceeded. p. 139
Common causes
- Scan time exceeded: The program scanning time is greater than the set monitoring time. p. 139
- Scan time exceeded: The set maximum permissible program scan time has been exceeded. p. 139
What to do
- Check the program for continuous loops. If necessary, retrigger the scan time with OB31 or change the monitoring time. p. 139
Before you service the product, read the safety instructions in the manual p. 414.
If ZYK 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 ZYK; 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.