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Troubleshooting
372 SPU 780 01EMAN May 2002 279
9 (0200 Hex) 984 -80 Series Bad
Power Down
Checksum
Cycle the power on the controller to clear the error or
Start Controller.
10 (0400 Hex) SON Did Not Start
Segment
Improper programming from a programming device
or software package is usually the cause of start-of-
node failure.
11 (0800 Hex) Bad Segment
Scheduler Table
The Segment Scheduler has been programmed
improperly.
12 (1000 Hex) Illegal Peripheral
Intervention
This error is caused by an attempt to clear the
System Stop State word. A programming device has
altered memory in a non-authorized manner.
13 (2000 Hex) Dim Awareness The 984 has not been configured successfully. This
bit can be set in conjunction with other flags.
14 (4000 Hex) 984B and 584
Extended Memory
Parity Error
This error indication pertains to the 984B or
extended memory 584 only. Try reloading memory.
If that fails to solve the problem, replace the memory
board.
14 (4000 Hex) 984 -80 Series
Traffic Cop Failure
Usually caused by configuring for more than one
drop and not having an S908 remote I/O processor
in the controller rack. This error can also be caused
by too many points contained in the Traffic Cop (512
inputs and 512 outputs allowed per drop), or by
more cards in Traffic Cop than physically present
(Micro 984).
15 (8000 Hex) Peripheral Port
STOP
This simply indicates the PLC has stopped.
Bit Error Description