Pilz PSSu H PLC1 FS SN SD - Manual (Page 26)

Operation
Operating Manual PSSu H PLC1 FS SN SD(­T)(­R)
21939­EN­10 26
8.2.5 DIAG
The "DIAG" LED indicates whether there is an error on a system section of the PSSu sys­
tem. Precise evaluation can occur via the diagnostic table.
Colour State Meaning
­ ­ ­ No system section is started, module supply is missing.
Green No message of "Error" or "Warning" severity is present for
the device.
Device diagnostic list and device diagnostic log are being
prepared
Red A message of "Error" severity is present for at least one
system section (see diagnostic table).
A major FS error is present for at least one FS system sec­
tion (see diagnostic list).
Orange A message of at least "Warning" severity is present for the
PSSu system (see diagnostic list).
Red ­ green Start of "deliberate operator action"
(function of reset button)