SM 1278 4xIO-Link Master
15.4 Interrupt, error, and system alarms
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
827
Meaning (IO-Link error code)
Fuse on device is defective
Safety
25 1880 Serious error (master has to be replaced) X
External fault 26 1809
180A
180B
180C
Error in data storage X
1808 More than 6 errors are pending simultaneously on the IO-Link