Siemens SIMATIC S7-1500R/H Manual page 25

Operation of the operating mode but­
tons
3. Press the STOP operating mode but­
ton again within the next three
seconds.
Reference
You can find a brief overview of the various operating states and system states in the section
Status and error display of the CPU (Page 30).
You can find a detailed description of the operating states and system states in the system
manual for S7-1500R/H redundant system
(https://support.industry.siemens.com/cs/ww/en/view/109754833).
CPU 1515R-2 PN (6ES7515-2RN03-0AB0)
Equipment Manual, 11/2022, A5E42009914-AD
Meaning
3.6 Operating mode buttons
Explanation
Product overview
25