turck BL20 Series - 7.12.4 Diagnostic and status messages

93
2020/09
7.12.4 Diagnostic and status messages
LED status displays
LED Display Meaning Remedy
DIA Red Module bus communi-
cation failure
Check if more than two ad-joining electronics modules
have been pulled.
Check the supply of the module bus.
Off No error messages or
diagnostics
–
1 Green Status channel 1 = 1
Off Status channel 1 = 0
… … …
16 Green Status channel 16 = 1
Off Status channel 16 = 0