Siemens SIRIUS 3RK3 - Page 287

Error numbers
Error
no.
Description Explanation Remedy
26 External error
• Wiring error (user program)
• Memory module not plugged in (3SK2 45
mm)
• Eliminate cause of message
• Insert the memory module
27 Unclear error Unclear errors include errors that have no equiv‐
alent in the other error numbers.
• Error in con󹪝guration
• Safety protocol error
• Handshake error
• TARGET≠ACTUAL con󹪝guration
• TARGET≠ACTUAL slot expanded con󹪝gura‐
tion
• Memory module defective
• Programming error
• System interface con󹪝guration error
Eliminate cause of error
Diagnostics / service
7.4 Diagnostics via PROFINET
SIRIUS 3RK3 Modular Safety System
Equipment Manual, 07/2020, NEB926253002000/RS-AC/006 287