Chapter 9. Diagnostics
GFK-2950C February 2018 393
Window completion error. Servicing of
Controller Communications or Logic
Window was skipped. Occurs in Constant
Sweep mode.
Sets #SY_FLT and #SY_PRES.
Change of privilege level request to a
protection level was denied; bad
password.
Sets #SY_FLT and #SY_PRES.
No configuration present upon transition
to RUN Mode. Running without a
configuration is equivalent to suspending
the I/O scans.
Sets #SY_FLT and #SY_PRES.
CPU software fault. A non-recoverable
error has been detected in the CPU. May
be caused by Watchdog Timer expiring.
CPU immediately transitions to
STOP/Halt Mode. The only activity
permitted is communication with the
programmer. To be cleared,
controller power must be cycled. Sets
SY_FLT, SY_PRES, and SFT_FLT.
Download of data to CPU from the
programmer failed; some data in CPU may
be corrupted.
CPU will not transition to RUN Mode.
This fault is not cleared at power-up,
intervention is required to correct it.
Sets SY_FLT and SY_PRES.